84769100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{331}}^1$

素因数の和:555

約数の個数: 72

約数和(自身を含む): 199705968

約数和(自身を除く): 114936868

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 197, 260, 325, 331, 394, 650, 662, 788, 985, 1300, 1324, 1655, 1970, 2561, 3310, 3940, 4303, 4925, 5122, 6620, 8275, 8606, 9850, 10244, 12805, 16550, 17212, 19700, 21515, 25610, 33100, 43030, 51220, 64025, 65207, 86060, 107575, 128050, 130414, 215150, 256100, 260828, 326035, 430300, 652070, 847691, 1304140, 1630175, 1695382, 3260350, 3390764, 4238455, 6520700, 8476910, 16953820, 21192275, 42384550, 84769100]

約数ペア:

[(1, 84769100), (2, 42384550), (4, 21192275), (5, 16953820), (10, 8476910), (13, 6520700), (20, 4238455), (25, 3390764), (26, 3260350), (50, 1695382), (52, 1630175), (65, 1304140), (100, 847691), (130, 652070), (197, 430300), (260, 326035), (325, 260828), (331, 256100), (394, 215150), (650, 130414), (662, 128050), (788, 107575), (985, 86060), (1300, 65207), (1324, 64025), (1655, 51220), (1970, 43030), (2561, 33100), (3310, 25610), (3940, 21515), (4303, 19700), (4925, 17212), (5122, 16550), (6620, 12805), (8275, 10244), (8606, 9850)]