338054925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 612684000

約数和(自身を除く): 274629075

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 149, 169, 179, 195, 325, 447, 507, 537, 745, 845, 895, 975, 1937, 2235, 2327, 2535, 2685, 3725, 4225, 4475, 5811, 6981, 9685, 11175, 11635, 12675, 13425, 25181, 26671, 29055, 30251, 34905, 48425, 58175, 75543, 80013, 90753, 125905, 133355, 145275, 151255, 174525, 346723, 377715, 400065, 453765, 629525, 666775, 756275, 1040169, 1733615, 1888575, 2000325, 2268825, 4507399, 5200845, 8668075, 13522197, 22536995, 26004225, 67610985, 112684975, 338054925]

約数ペア:

[(1, 338054925), (3, 112684975), (5, 67610985), (13, 26004225), (15, 22536995), (25, 13522197), (39, 8668075), (65, 5200845), (75, 4507399), (149, 2268825), (169, 2000325), (179, 1888575), (195, 1733615), (325, 1040169), (447, 756275), (507, 666775), (537, 629525), (745, 453765), (845, 400065), (895, 377715), (975, 346723), (1937, 174525), (2235, 151255), (2327, 145275), (2535, 133355), (2685, 125905), (3725, 90753), (4225, 80013), (4475, 75543), (5811, 58175), (6981, 48425), (9685, 34905), (11175, 30251), (11635, 29055), (12675, 26671), (13425, 25181)]