399957350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{863}}^1$

素因数の和:942

約数の個数: 96

約数和(自身を含む): 863944704

約数和(自身を除く): 463987354

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 31, 46, 50, 62, 65, 115, 130, 155, 230, 299, 310, 325, 403, 575, 598, 650, 713, 775, 806, 863, 1150, 1426, 1495, 1550, 1726, 2015, 2990, 3565, 4030, 4315, 7130, 7475, 8630, 9269, 10075, 11219, 14950, 17825, 18538, 19849, 20150, 21575, 22438, 26753, 35650, 39698, 43150, 46345, 53506, 56095, 92690, 99245, 112190, 133765, 198490, 231725, 258037, 267530, 280475, 347789, 463450, 496225, 516074, 560950, 615319, 668825, 695578, 992450, 1230638, 1290185, 1337650, 1738945, 2580370, 3076595, 3477890, 6153190, 6450925, 7999147, 8694725, 12901850, 15382975, 15998294, 17389450, 30765950, 39995735, 79991470, 199978675, 399957350]

約数ペア:

[(1, 399957350), (2, 199978675), (5, 79991470), (10, 39995735), (13, 30765950), (23, 17389450), (25, 15998294), (26, 15382975), (31, 12901850), (46, 8694725), (50, 7999147), (62, 6450925), (65, 6153190), (115, 3477890), (130, 3076595), (155, 2580370), (230, 1738945), (299, 1337650), (310, 1290185), (325, 1230638), (403, 992450), (575, 695578), (598, 668825), (650, 615319), (713, 560950), (775, 516074), (806, 496225), (863, 463450), (1150, 347789), (1426, 280475), (1495, 267530), (1550, 258037), (1726, 231725), (2015, 198490), (2990, 133765), (3565, 112190), (4030, 99245), (4315, 92690), (7130, 56095), (7475, 53506), (8630, 46345), (9269, 43150), (10075, 39698), (11219, 35650), (14950, 26753), (17825, 22438), (18538, 21575), (19849, 20150)]