497994900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127691}}^1$

素因数の和:127721

約数の個数: 72

約数和(自身を含む): 1551713184

約数和(自身を除く): 1053718284

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, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 127691, 255382, 383073, 510764, 638455, 766146, 1276910, 1532292, 1659983, 1915365, 2553820, 3192275, 3319966, 3830730, 4979949, 6384550, 6639932, 7661460, 8299915, 9576825, 9959898, 12769100, 16599830, 19153650, 19919796, 24899745, 33199660, 38307300, 41499575, 49799490, 82999150, 99598980, 124498725, 165998300, 248997450, 497994900]

約数ペア:

[(1, 497994900), (2, 248997450), (3, 165998300), (4, 124498725), (5, 99598980), (6, 82999150), (10, 49799490), (12, 41499575), (13, 38307300), (15, 33199660), (20, 24899745), (25, 19919796), (26, 19153650), (30, 16599830), (39, 12769100), (50, 9959898), (52, 9576825), (60, 8299915), (65, 7661460), (75, 6639932), (78, 6384550), (100, 4979949), (130, 3830730), (150, 3319966), (156, 3192275), (195, 2553820), (260, 1915365), (300, 1659983), (325, 1532292), (390, 1276910), (650, 766146), (780, 638455), (975, 510764), (1300, 383073), (1950, 255382), (3900, 127691)]