2010220420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:950

約数の個数: 144

約数和(自身を含む): 4990906368

約数和(自身を除く): 2980685948

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 31, 34, 52, 62, 65, 68, 85, 124, 130, 155, 170, 221, 260, 289, 310, 340, 403, 442, 527, 578, 620, 806, 863, 884, 1054, 1105, 1156, 1445, 1612, 1726, 2015, 2108, 2210, 2635, 2890, 3452, 3757, 4030, 4315, 4420, 5270, 5780, 6851, 7514, 8060, 8630, 8959, 10540, 11219, 13702, 14671, 15028, 17260, 17918, 18785, 22438, 26753, 27404, 29342, 34255, 35836, 37570, 44795, 44876, 53506, 56095, 58684, 68510, 73355, 75140, 89590, 107012, 112190, 116467, 133765, 137020, 146710, 179180, 190723, 224380, 232934, 249407, 267530, 293420, 347789, 381446, 454801, 465868, 498814, 535060, 582335, 695578, 762892, 909602, 953615, 997628, 1164670, 1247035, 1391156, 1738945, 1819204, 1907230, 2274005, 2329340, 2494070, 3242291, 3477890, 3814460, 4548010, 4988140, 5912413, 6484582, 6955780, 7731617, 9096020, 11824826, 12969164, 15463234, 16211455, 23649652, 29562065, 30926468, 32422910, 38658085, 59124130, 64845820, 77316170, 100511021, 118248260, 154632340, 201022042, 402044084, 502555105, 1005110210, 2010220420]

約数ペア:

[(1, 2010220420), (2, 1005110210), (4, 502555105), (5, 402044084), (10, 201022042), (13, 154632340), (17, 118248260), (20, 100511021), (26, 77316170), (31, 64845820), (34, 59124130), (52, 38658085), (62, 32422910), (65, 30926468), (68, 29562065), (85, 23649652), (124, 16211455), (130, 15463234), (155, 12969164), (170, 11824826), (221, 9096020), (260, 7731617), (289, 6955780), (310, 6484582), (340, 5912413), (403, 4988140), (442, 4548010), (527, 3814460), (578, 3477890), (620, 3242291), (806, 2494070), (863, 2329340), (884, 2274005), (1054, 1907230), (1105, 1819204), (1156, 1738945), (1445, 1391156), (1612, 1247035), (1726, 1164670), (2015, 997628), (2108, 953615), (2210, 909602), (2635, 762892), (2890, 695578), (3452, 582335), (3757, 535060), (4030, 498814), (4315, 465868), (4420, 454801), (5270, 381446), (5780, 347789), (6851, 293420), (7514, 267530), (8060, 249407), (8630, 232934), (8959, 224380), (10540, 190723), (11219, 179180), (13702, 146710), (14671, 137020), (15028, 133765), (17260, 116467), (17918, 112190), (18785, 107012), (22438, 89590), (26753, 75140), (27404, 73355), (29342, 68510), (34255, 58684), (35836, 56095), (37570, 53506), (44795, 44876)]