397780500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{20399}}^1$

素因数の和:20434

約数の個数: 96

約数和(自身を含む): 1247500800

約数和(自身を除く): 849720300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1300, 1500, 1625, 1950, 3250, 3900, 4875, 6500, 9750, 19500, 20399, 40798, 61197, 81596, 101995, 122394, 203990, 244788, 265187, 305985, 407980, 509975, 530374, 611970, 795561, 1019950, 1060748, 1223940, 1325935, 1529925, 1591122, 2039900, 2549875, 2651870, 3059850, 3182244, 3977805, 5099750, 5303740, 6119700, 6629675, 7649625, 7955610, 10199500, 13259350, 15299250, 15911220, 19889025, 26518700, 30598500, 33148375, 39778050, 66296750, 79556100, 99445125, 132593500, 198890250, 397780500]

約数ペア:

[(1, 397780500), (2, 198890250), (3, 132593500), (4, 99445125), (5, 79556100), (6, 66296750), (10, 39778050), (12, 33148375), (13, 30598500), (15, 26518700), (20, 19889025), (25, 15911220), (26, 15299250), (30, 13259350), (39, 10199500), (50, 7955610), (52, 7649625), (60, 6629675), (65, 6119700), (75, 5303740), (78, 5099750), (100, 3977805), (125, 3182244), (130, 3059850), (150, 2651870), (156, 2549875), (195, 2039900), (250, 1591122), (260, 1529925), (300, 1325935), (325, 1223940), (375, 1060748), (390, 1019950), (500, 795561), (650, 611970), (750, 530374), (780, 509975), (975, 407980), (1300, 305985), (1500, 265187), (1625, 244788), (1950, 203990), (3250, 122394), (3900, 101995), (4875, 81596), (6500, 61197), (9750, 40798), (19500, 20399)]