212001920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:422

約数の個数: 128

約数和(自身を含む): 554178240

約数和(自身を除く): 342176320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 208, 260, 307, 320, 332, 415, 416, 520, 614, 640, 664, 830, 832, 1040, 1079, 1228, 1328, 1535, 1660, 1664, 2080, 2158, 2456, 2656, 3070, 3320, 3991, 4160, 4316, 4912, 5312, 5395, 6140, 6640, 7982, 8320, 8632, 9824, 10624, 10790, 12280, 13280, 15964, 17264, 19648, 19955, 21580, 24560, 25481, 26560, 31928, 34528, 39296, 39910, 43160, 49120, 50962, 53120, 63856, 69056, 79820, 86320, 98240, 101924, 127405, 127712, 138112, 159640, 172640, 196480, 203848, 254810, 255424, 319280, 331253, 345280, 407696, 509620, 510848, 638560, 662506, 690560, 815392, 1019240, 1277120, 1325012, 1630784, 1656265, 2038480, 2554240, 2650024, 3261568, 3312530, 4076960, 5300048, 6625060, 8153920, 10600096, 13250120, 16307840, 21200192, 26500240, 42400384, 53000480, 106000960, 212001920]

約数ペア:

[(1, 212001920), (2, 106000960), (4, 53000480), (5, 42400384), (8, 26500240), (10, 21200192), (13, 16307840), (16, 13250120), (20, 10600096), (26, 8153920), (32, 6625060), (40, 5300048), (52, 4076960), (64, 3312530), (65, 3261568), (80, 2650024), (83, 2554240), (104, 2038480), (128, 1656265), (130, 1630784), (160, 1325012), (166, 1277120), (208, 1019240), (260, 815392), (307, 690560), (320, 662506), (332, 638560), (415, 510848), (416, 509620), (520, 407696), (614, 345280), (640, 331253), (664, 319280), (830, 255424), (832, 254810), (1040, 203848), (1079, 196480), (1228, 172640), (1328, 159640), (1535, 138112), (1660, 127712), (1664, 127405), (2080, 101924), (2158, 98240), (2456, 86320), (2656, 79820), (3070, 69056), (3320, 63856), (3991, 53120), (4160, 50962), (4316, 49120), (4912, 43160), (5312, 39910), (5395, 39296), (6140, 34528), (6640, 31928), (7982, 26560), (8320, 25481), (8632, 24560), (9824, 21580), (10624, 19955), (10790, 19648), (12280, 17264), (13280, 15964)]