491511700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1871}}^1$

素因数の和:1993

約数の個数: 72

約数和(自身を含む): 1111428864

約数和(自身を除く): 619917164

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 71, 74, 100, 142, 148, 185, 284, 355, 370, 710, 740, 925, 1420, 1775, 1850, 1871, 2627, 3550, 3700, 3742, 5254, 7100, 7484, 9355, 10508, 13135, 18710, 26270, 37420, 46775, 52540, 65675, 69227, 93550, 131350, 132841, 138454, 187100, 262700, 265682, 276908, 346135, 531364, 664205, 692270, 1328410, 1384540, 1730675, 2656820, 3321025, 3461350, 4915117, 6642050, 6922700, 9830234, 13284100, 19660468, 24575585, 49151170, 98302340, 122877925, 245755850, 491511700]

約数ペア:

[(1, 491511700), (2, 245755850), (4, 122877925), (5, 98302340), (10, 49151170), (20, 24575585), (25, 19660468), (37, 13284100), (50, 9830234), (71, 6922700), (74, 6642050), (100, 4915117), (142, 3461350), (148, 3321025), (185, 2656820), (284, 1730675), (355, 1384540), (370, 1328410), (710, 692270), (740, 664205), (925, 531364), (1420, 346135), (1775, 276908), (1850, 265682), (1871, 262700), (2627, 187100), (3550, 138454), (3700, 132841), (3742, 131350), (5254, 93550), (7100, 69227), (7484, 65675), (9355, 52540), (10508, 46775), (13135, 37420), (18710, 26270)]