168319700

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 375225984

約数和(自身を除く): 206906284

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 151, 157, 284, 302, 314, 355, 604, 628, 710, 755, 785, 1420, 1510, 1570, 1775, 3020, 3140, 3550, 3775, 3925, 7100, 7550, 7850, 10721, 11147, 15100, 15700, 21442, 22294, 23707, 42884, 44588, 47414, 53605, 55735, 94828, 107210, 111470, 118535, 214420, 222940, 237070, 268025, 278675, 474140, 536050, 557350, 592675, 1072100, 1114700, 1185350, 1683197, 2370700, 3366394, 6732788, 8415985, 16831970, 33663940, 42079925, 84159850, 168319700]

約数ペア:

[(1, 168319700), (2, 84159850), (4, 42079925), (5, 33663940), (10, 16831970), (20, 8415985), (25, 6732788), (50, 3366394), (71, 2370700), (100, 1683197), (142, 1185350), (151, 1114700), (157, 1072100), (284, 592675), (302, 557350), (314, 536050), (355, 474140), (604, 278675), (628, 268025), (710, 237070), (755, 222940), (785, 214420), (1420, 118535), (1510, 111470), (1570, 107210), (1775, 94828), (3020, 55735), (3140, 53605), (3550, 47414), (3775, 44588), (3925, 42884), (7100, 23707), (7550, 22294), (7850, 21442), (10721, 15700), (11147, 15100)]