221456820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2927}}^1$

素因数の和:3049

約数の個数: 96

約数和(自身を含む): 674892288

約数和(自身を除く): 453435468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 97, 130, 156, 194, 195, 260, 291, 388, 390, 485, 582, 780, 970, 1164, 1261, 1455, 1940, 2522, 2910, 2927, 3783, 5044, 5820, 5854, 6305, 7566, 8781, 11708, 12610, 14635, 15132, 17562, 18915, 25220, 29270, 35124, 37830, 38051, 43905, 58540, 75660, 76102, 87810, 114153, 152204, 175620, 190255, 228306, 283919, 380510, 456612, 567838, 570765, 761020, 851757, 1135676, 1141530, 1419595, 1703514, 2283060, 2839190, 3407028, 3690947, 4258785, 5678380, 7381894, 8517570, 11072841, 14763788, 17035140, 18454735, 22145682, 36909470, 44291364, 55364205, 73818940, 110728410, 221456820]

約数ペア:

[(1, 221456820), (2, 110728410), (3, 73818940), (4, 55364205), (5, 44291364), (6, 36909470), (10, 22145682), (12, 18454735), (13, 17035140), (15, 14763788), (20, 11072841), (26, 8517570), (30, 7381894), (39, 5678380), (52, 4258785), (60, 3690947), (65, 3407028), (78, 2839190), (97, 2283060), (130, 1703514), (156, 1419595), (194, 1141530), (195, 1135676), (260, 851757), (291, 761020), (388, 570765), (390, 567838), (485, 456612), (582, 380510), (780, 283919), (970, 228306), (1164, 190255), (1261, 175620), (1455, 152204), (1940, 114153), (2522, 87810), (2910, 76102), (2927, 75660), (3783, 58540), (5044, 43905), (5820, 38051), (5854, 37830), (6305, 35124), (7566, 29270), (8781, 25220), (11708, 18915), (12610, 17562), (14635, 15132)]