2912797820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 6460661760

約数和(自身を除く): 3547863940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 73, 124, 139, 146, 155, 278, 292, 310, 365, 463, 556, 620, 695, 730, 926, 1390, 1460, 1852, 2263, 2315, 2780, 4309, 4526, 4630, 8618, 9052, 9260, 10147, 11315, 14353, 17236, 20294, 21545, 22630, 28706, 33799, 40588, 43090, 45260, 50735, 57412, 64357, 67598, 71765, 86180, 101470, 128714, 135196, 143530, 168995, 202940, 257428, 287060, 314557, 321785, 337990, 629114, 643570, 675980, 1047769, 1258228, 1287140, 1572785, 1995067, 2095538, 3145570, 3990134, 4191076, 4698061, 5238845, 6291140, 7980268, 9396122, 9975335, 10477690, 18792244, 19950670, 20955380, 23490305, 39901340, 46980610, 93961220, 145639891, 291279782, 582559564, 728199455, 1456398910, 2912797820]

約数ペア:

[(1, 2912797820), (2, 1456398910), (4, 728199455), (5, 582559564), (10, 291279782), (20, 145639891), (31, 93961220), (62, 46980610), (73, 39901340), (124, 23490305), (139, 20955380), (146, 19950670), (155, 18792244), (278, 10477690), (292, 9975335), (310, 9396122), (365, 7980268), (463, 6291140), (556, 5238845), (620, 4698061), (695, 4191076), (730, 3990134), (926, 3145570), (1390, 2095538), (1460, 1995067), (1852, 1572785), (2263, 1287140), (2315, 1258228), (2780, 1047769), (4309, 675980), (4526, 643570), (4630, 629114), (8618, 337990), (9052, 321785), (9260, 314557), (10147, 287060), (11315, 257428), (14353, 202940), (17236, 168995), (20294, 143530), (21545, 135196), (22630, 128714), (28706, 101470), (33799, 86180), (40588, 71765), (43090, 67598), (45260, 64357), (50735, 57412)]