157225700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{347}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 358852032

約数和(自身を除く): 201626332

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 197, 230, 347, 394, 460, 575, 694, 788, 985, 1150, 1388, 1735, 1970, 2300, 3470, 3940, 4531, 4925, 6940, 7981, 8675, 9062, 9850, 15962, 17350, 18124, 19700, 22655, 31924, 34700, 39905, 45310, 68359, 79810, 90620, 113275, 136718, 159620, 199525, 226550, 273436, 341795, 399050, 453100, 683590, 798100, 1367180, 1572257, 1708975, 3144514, 3417950, 6289028, 6835900, 7861285, 15722570, 31445140, 39306425, 78612850, 157225700]

約数ペア:

[(1, 157225700), (2, 78612850), (4, 39306425), (5, 31445140), (10, 15722570), (20, 7861285), (23, 6835900), (25, 6289028), (46, 3417950), (50, 3144514), (92, 1708975), (100, 1572257), (115, 1367180), (197, 798100), (230, 683590), (347, 453100), (394, 399050), (460, 341795), (575, 273436), (694, 226550), (788, 199525), (985, 159620), (1150, 136718), (1388, 113275), (1735, 90620), (1970, 79810), (2300, 68359), (3470, 45310), (3940, 39905), (4531, 34700), (4925, 31924), (6940, 22655), (7981, 19700), (8675, 18124), (9062, 17350), (9850, 15962)]