399858390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{631}}^1\times {\mathrm{2347}}^1$

素因数の和:2994

約数の個数: 64

約数和(自身を含む): 1068433920

約数和(自身を除く): 668575530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 631, 1262, 1893, 2347, 3155, 3786, 4694, 5679, 6310, 7041, 9465, 11358, 11735, 14082, 17037, 18930, 21123, 23470, 28395, 34074, 35205, 42246, 56790, 63369, 70410, 85185, 105615, 126738, 170370, 211230, 316845, 633690, 1480957, 2961914, 4442871, 7404785, 8885742, 13328613, 14809570, 22214355, 26657226, 39985839, 44428710, 66643065, 79971678, 133286130, 199929195, 399858390]

約数ペア:

[(1, 399858390), (2, 199929195), (3, 133286130), (5, 79971678), (6, 66643065), (9, 44428710), (10, 39985839), (15, 26657226), (18, 22214355), (27, 14809570), (30, 13328613), (45, 8885742), (54, 7404785), (90, 4442871), (135, 2961914), (270, 1480957), (631, 633690), (1262, 316845), (1893, 211230), (2347, 170370), (3155, 126738), (3786, 105615), (4694, 85185), (5679, 70410), (6310, 63369), (7041, 56790), (9465, 42246), (11358, 35205), (11735, 34074), (14082, 28395), (17037, 23470), (18930, 21123)]