129528440

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{797}}^1$

素因数の和:1064

約数の個数: 64

約数和(自身を含む): 310262400

約数和(自身を除く): 180733960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 239, 340, 478, 680, 797, 956, 1195, 1594, 1912, 2390, 3188, 3985, 4063, 4780, 6376, 7970, 8126, 9560, 13549, 15940, 16252, 20315, 27098, 31880, 32504, 40630, 54196, 67745, 81260, 108392, 135490, 162520, 190483, 270980, 380966, 541960, 761932, 952415, 1523864, 1904830, 3238211, 3809660, 6476422, 7619320, 12952844, 16191055, 25905688, 32382110, 64764220, 129528440]

約数ペア:

[(1, 129528440), (2, 64764220), (4, 32382110), (5, 25905688), (8, 16191055), (10, 12952844), (17, 7619320), (20, 6476422), (34, 3809660), (40, 3238211), (68, 1904830), (85, 1523864), (136, 952415), (170, 761932), (239, 541960), (340, 380966), (478, 270980), (680, 190483), (797, 162520), (956, 135490), (1195, 108392), (1594, 81260), (1912, 67745), (2390, 54196), (3188, 40630), (3985, 32504), (4063, 31880), (4780, 27098), (6376, 20315), (7970, 16252), (8126, 15940), (9560, 13549)]