156920820400

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{1381}}^1\times {\mathrm{4001}}^1$

素因数の和:5471

約数の個数: 120

約数和(自身を含む): 382684622688

約数和(自身を除く): 225763802288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1381, 1420, 1775, 2762, 2840, 3550, 4001, 5524, 5680, 6905, 7100, 8002, 11048, 13810, 14200, 16004, 20005, 22096, 27620, 28400, 32008, 34525, 40010, 55240, 64016, 69050, 80020, 98051, 100025, 110480, 138100, 160040, 196102, 200050, 276200, 284071, 320080, 392204, 400100, 490255, 552400, 568142, 784408, 800200, 980510, 1136284, 1420355, 1568816, 1600400, 1961020, 2272568, 2451275, 2840710, 3922040, 4545136, 4902550, 5525381, 5681420, 7101775, 7844080, 9805100, 11050762, 11362840, 14203550, 19610200, 22101524, 22725680, 27626905, 28407100, 39220400, 44203048, 55253810, 56814200, 88406096, 110507620, 113628400, 138134525, 221015240, 276269050, 392302051, 442030480, 552538100, 784604102, 1105076200, 1569208204, 1961510255, 2210152400, 3138416408, 3923020510, 6276832816, 7846041020, 9807551275, 15692082040, 19615102550, 31384164080, 39230205100, 78460410200, 156920820400]

約数ペア:

[(1, 156920820400), (2, 78460410200), (4, 39230205100), (5, 31384164080), (8, 19615102550), (10, 15692082040), (16, 9807551275), (20, 7846041020), (25, 6276832816), (40, 3923020510), (50, 3138416408), (71, 2210152400), (80, 1961510255), (100, 1569208204), (142, 1105076200), (200, 784604102), (284, 552538100), (355, 442030480), (400, 392302051), (568, 276269050), (710, 221015240), (1136, 138134525), (1381, 113628400), (1420, 110507620), (1775, 88406096), (2762, 56814200), (2840, 55253810), (3550, 44203048), (4001, 39220400), (5524, 28407100), (5680, 27626905), (6905, 22725680), (7100, 22101524), (8002, 19610200), (11048, 14203550), (13810, 11362840), (14200, 11050762), (16004, 9805100), (20005, 7844080), (22096, 7101775), (27620, 5681420), (28400, 5525381), (32008, 4902550), (34525, 4545136), (40010, 3922040), (55240, 2840710), (64016, 2451275), (69050, 2272568), (80020, 1961020), (98051, 1600400), (100025, 1568816), (110480, 1420355), (138100, 1136284), (160040, 980510), (196102, 800200), (200050, 784408), (276200, 568142), (284071, 552400), (320080, 490255), (392204, 400100)]