216897700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:174

約数の個数: 108

約数和(自身を含む): 507673236

約数和(自身を除く): 290775536

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 37, 50, 61, 62, 74, 100, 122, 124, 148, 155, 185, 244, 305, 310, 370, 610, 620, 740, 775, 925, 961, 1147, 1220, 1525, 1550, 1850, 1891, 1922, 2257, 2294, 3050, 3100, 3700, 3782, 3844, 4514, 4588, 4805, 5735, 6100, 7564, 9028, 9455, 9610, 11285, 11470, 18910, 19220, 22570, 22940, 24025, 28675, 35557, 37820, 45140, 47275, 48050, 56425, 57350, 58621, 69967, 71114, 94550, 96100, 112850, 114700, 117242, 139934, 142228, 177785, 189100, 225700, 234484, 279868, 293105, 349835, 355570, 586210, 699670, 711140, 888925, 1172420, 1399340, 1465525, 1749175, 1777850, 2168977, 2931050, 3498350, 3555700, 4337954, 5862100, 6996700, 8675908, 10844885, 21689770, 43379540, 54224425, 108448850, 216897700]

約数ペア:

[(1, 216897700), (2, 108448850), (4, 54224425), (5, 43379540), (10, 21689770), (20, 10844885), (25, 8675908), (31, 6996700), (37, 5862100), (50, 4337954), (61, 3555700), (62, 3498350), (74, 2931050), (100, 2168977), (122, 1777850), (124, 1749175), (148, 1465525), (155, 1399340), (185, 1172420), (244, 888925), (305, 711140), (310, 699670), (370, 586210), (610, 355570), (620, 349835), (740, 293105), (775, 279868), (925, 234484), (961, 225700), (1147, 189100), (1220, 177785), (1525, 142228), (1550, 139934), (1850, 117242), (1891, 114700), (1922, 112850), (2257, 96100), (2294, 94550), (3050, 71114), (3100, 69967), (3700, 58621), (3782, 57350), (3844, 56425), (4514, 48050), (4588, 47275), (4805, 45140), (5735, 37820), (6100, 35557), (7564, 28675), (9028, 24025), (9455, 22940), (9610, 22570), (11285, 19220), (11470, 18910)]