172815700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{521}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 391474944

約数和(自身を除く): 218659244

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 107, 124, 155, 214, 310, 428, 521, 535, 620, 775, 1042, 1070, 1550, 2084, 2140, 2605, 2675, 3100, 3317, 5210, 5350, 6634, 10420, 10700, 13025, 13268, 16151, 16585, 26050, 32302, 33170, 52100, 55747, 64604, 66340, 80755, 82925, 111494, 161510, 165850, 222988, 278735, 323020, 331700, 403775, 557470, 807550, 1114940, 1393675, 1615100, 1728157, 2787350, 3456314, 5574700, 6912628, 8640785, 17281570, 34563140, 43203925, 86407850, 172815700]

約数ペア:

[(1, 172815700), (2, 86407850), (4, 43203925), (5, 34563140), (10, 17281570), (20, 8640785), (25, 6912628), (31, 5574700), (50, 3456314), (62, 2787350), (100, 1728157), (107, 1615100), (124, 1393675), (155, 1114940), (214, 807550), (310, 557470), (428, 403775), (521, 331700), (535, 323020), (620, 278735), (775, 222988), (1042, 165850), (1070, 161510), (1550, 111494), (2084, 82925), (2140, 80755), (2605, 66340), (2675, 64604), (3100, 55747), (3317, 52100), (5210, 33170), (5350, 32302), (6634, 26050), (10420, 16585), (10700, 16151), (13025, 13268)]