1997711820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3863}}^1$

素因数の和:3921

約数の個数: 216

約数和(自身を含む): 6949496736

約数和(自身を除く): 4951784916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 169, 170, 180, 195, 204, 221, 234, 255, 260, 306, 338, 340, 390, 442, 468, 507, 510, 585, 612, 663, 676, 765, 780, 845, 884, 1014, 1020, 1105, 1170, 1326, 1521, 1530, 1690, 1989, 2028, 2210, 2340, 2535, 2652, 2873, 3042, 3060, 3315, 3380, 3863, 3978, 4420, 5070, 5746, 6084, 6630, 7605, 7726, 7956, 8619, 9945, 10140, 11492, 11589, 13260, 14365, 15210, 15452, 17238, 19315, 19890, 23178, 25857, 28730, 30420, 34476, 34767, 38630, 39780, 43095, 46356, 50219, 51714, 57460, 57945, 65671, 69534, 77260, 86190, 100438, 103428, 115890, 129285, 131342, 139068, 150657, 172380, 173835, 197013, 200876, 231780, 251095, 258570, 262684, 301314, 328355, 347670, 394026, 451971, 502190, 517140, 591039, 602628, 652847, 656710, 695340, 753285, 788052, 853723, 903942, 985065, 1004380, 1182078, 1305694, 1313420, 1506570, 1707446, 1807884, 1958541, 1970130, 2259855, 2364156, 2561169, 2611388, 2955195, 3013140, 3264235, 3414892, 3917082, 3940260, 4268615, 4519710, 5122338, 5875623, 5910390, 6528470, 7683507, 7834164, 8537230, 9039420, 9792705, 10244676, 11098399, 11751246, 11820780, 12805845, 13056940, 15367014, 17074460, 19585410, 22196798, 23502492, 25611690, 29378115, 30734028, 33295197, 38417535, 39170820, 44393596, 51223380, 55491995, 58756230, 66590394, 76835070, 99885591, 110983990, 117512460, 133180788, 153670140, 166475985, 199771182, 221967980, 332951970, 399542364, 499427955, 665903940, 998855910, 1997711820]

約数ペア:

[(1, 1997711820), (2, 998855910), (3, 665903940), (4, 499427955), (5, 399542364), (6, 332951970), (9, 221967980), (10, 199771182), (12, 166475985), (13, 153670140), (15, 133180788), (17, 117512460), (18, 110983990), (20, 99885591), (26, 76835070), (30, 66590394), (34, 58756230), (36, 55491995), (39, 51223380), (45, 44393596), (51, 39170820), (52, 38417535), (60, 33295197), (65, 30734028), (68, 29378115), (78, 25611690), (85, 23502492), (90, 22196798), (102, 19585410), (117, 17074460), (130, 15367014), (153, 13056940), (156, 12805845), (169, 11820780), (170, 11751246), (180, 11098399), (195, 10244676), (204, 9792705), (221, 9039420), (234, 8537230), (255, 7834164), (260, 7683507), (306, 6528470), (338, 5910390), (340, 5875623), (390, 5122338), (442, 4519710), (468, 4268615), (507, 3940260), (510, 3917082), (585, 3414892), (612, 3264235), (663, 3013140), (676, 2955195), (765, 2611388), (780, 2561169), (845, 2364156), (884, 2259855), (1014, 1970130), (1020, 1958541), (1105, 1807884), (1170, 1707446), (1326, 1506570), (1521, 1313420), (1530, 1305694), (1690, 1182078), (1989, 1004380), (2028, 985065), (2210, 903942), (2340, 853723), (2535, 788052), (2652, 753285), (2873, 695340), (3042, 656710), (3060, 652847), (3315, 602628), (3380, 591039), (3863, 517140), (3978, 502190), (4420, 451971), (5070, 394026), (5746, 347670), (6084, 328355), (6630, 301314), (7605, 262684), (7726, 258570), (7956, 251095), (8619, 231780), (9945, 200876), (10140, 197013), (11492, 173835), (11589, 172380), (13260, 150657), (14365, 139068), (15210, 131342), (15452, 129285), (17238, 115890), (19315, 103428), (19890, 100438), (23178, 86190), (25857, 77260), (28730, 69534), (30420, 65671), (34476, 57945), (34767, 57460), (38630, 51714), (39780, 50219), (43095, 46356)]