28328246440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:828

約数の個数: 192

約数和(自身を含む): 71221550400

約数和(自身を除く): 42893303960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 169, 179, 205, 260, 328, 338, 358, 410, 520, 533, 571, 676, 716, 820, 845, 895, 1066, 1142, 1352, 1432, 1640, 1690, 1790, 2132, 2284, 2327, 2665, 2855, 3380, 3580, 4264, 4568, 4654, 5330, 5710, 6760, 6929, 7160, 7339, 7423, 9308, 10660, 11420, 11635, 13858, 14678, 14846, 18616, 21320, 22840, 23270, 23411, 27716, 29356, 29692, 30251, 34645, 36695, 37115, 46540, 46822, 55432, 58712, 59384, 60502, 69290, 73390, 74230, 93080, 93644, 95407, 96499, 102209, 117055, 121004, 138580, 146780, 148460, 151255, 187288, 190814, 192998, 204418, 234110, 242008, 277160, 293560, 296920, 302510, 304343, 381628, 385996, 408836, 468220, 477035, 482495, 511045, 605020, 608686, 763256, 771992, 817672, 936440, 954070, 964990, 1022090, 1210040, 1217372, 1240291, 1328717, 1521715, 1908140, 1929980, 2044180, 2434744, 2480582, 2657434, 3043430, 3816280, 3859960, 3956459, 4088360, 4190569, 4961164, 5314868, 6086860, 6201455, 6643585, 7912918, 8381138, 9922328, 10629736, 12173720, 12402910, 13287170, 15825836, 16762276, 17273321, 19782295, 20952845, 24805820, 26574340, 31651672, 33524552, 34546642, 39564590, 41905690, 49611640, 53148680, 54477397, 69093284, 79129180, 83811380, 86366605, 108954794, 138186568, 158258360, 167622760, 172733210, 217909588, 272386985, 345466420, 435819176, 544773970, 690932840, 708206161, 1089547940, 1416412322, 2179095880, 2832824644, 3541030805, 5665649288, 7082061610, 14164123220, 28328246440]

約数ペア:

[(1, 28328246440), (2, 14164123220), (4, 7082061610), (5, 5665649288), (8, 3541030805), (10, 2832824644), (13, 2179095880), (20, 1416412322), (26, 1089547940), (40, 708206161), (41, 690932840), (52, 544773970), (65, 435819176), (82, 345466420), (104, 272386985), (130, 217909588), (164, 172733210), (169, 167622760), (179, 158258360), (205, 138186568), (260, 108954794), (328, 86366605), (338, 83811380), (358, 79129180), (410, 69093284), (520, 54477397), (533, 53148680), (571, 49611640), (676, 41905690), (716, 39564590), (820, 34546642), (845, 33524552), (895, 31651672), (1066, 26574340), (1142, 24805820), (1352, 20952845), (1432, 19782295), (1640, 17273321), (1690, 16762276), (1790, 15825836), (2132, 13287170), (2284, 12402910), (2327, 12173720), (2665, 10629736), (2855, 9922328), (3380, 8381138), (3580, 7912918), (4264, 6643585), (4568, 6201455), (4654, 6086860), (5330, 5314868), (5710, 4961164), (6760, 4190569), (6929, 4088360), (7160, 3956459), (7339, 3859960), (7423, 3816280), (9308, 3043430), (10660, 2657434), (11420, 2480582), (11635, 2434744), (13858, 2044180), (14678, 1929980), (14846, 1908140), (18616, 1521715), (21320, 1328717), (22840, 1240291), (23270, 1217372), (23411, 1210040), (27716, 1022090), (29356, 964990), (29692, 954070), (30251, 936440), (34645, 817672), (36695, 771992), (37115, 763256), (46540, 608686), (46822, 605020), (55432, 511045), (58712, 482495), (59384, 477035), (60502, 468220), (69290, 408836), (73390, 385996), (74230, 381628), (93080, 304343), (93644, 302510), (95407, 296920), (96499, 293560), (102209, 277160), (117055, 242008), (121004, 234110), (138580, 204418), (146780, 192998), (148460, 190814), (151255, 187288)]