1950815691640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1\times {\mathrm{226463}}^1$

素因数の和:233452

約数の個数: 64

約数和(自身を含む): 4531598991360

約数和(自身を除く): 2580783299720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6947, 13894, 27788, 34735, 55576, 69470, 138940, 215357, 226463, 277880, 430714, 452926, 861428, 905852, 1076785, 1132315, 1722856, 1811704, 2153570, 2264630, 4307140, 4529260, 7020353, 8614280, 9058520, 14040706, 28081412, 35101765, 56162824, 70203530, 140407060, 280814120, 1573238461, 3146476922, 6292953844, 7866192305, 12585907688, 15732384610, 31464769220, 48770392291, 62929538440, 97540784582, 195081569164, 243851961455, 390163138328, 487703922910, 975407845820, 1950815691640]

約数ペア:

[(1, 1950815691640), (2, 975407845820), (4, 487703922910), (5, 390163138328), (8, 243851961455), (10, 195081569164), (20, 97540784582), (31, 62929538440), (40, 48770392291), (62, 31464769220), (124, 15732384610), (155, 12585907688), (248, 7866192305), (310, 6292953844), (620, 3146476922), (1240, 1573238461), (6947, 280814120), (13894, 140407060), (27788, 70203530), (34735, 56162824), (55576, 35101765), (69470, 28081412), (138940, 14040706), (215357, 9058520), (226463, 8614280), (277880, 7020353), (430714, 4529260), (452926, 4307140), (861428, 2264630), (905852, 2153570), (1076785, 1811704), (1132315, 1722856)]