397718360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14431}}^1$

素因数の和:14508

約数の個数: 64

約数和(自身を含む): 981953280

約数和(自身を除く): 584234920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 14431, 27560, 28862, 57724, 72155, 115448, 144310, 187603, 288620, 375206, 577240, 750412, 764843, 938015, 1500824, 1529686, 1876030, 3059372, 3752060, 3824215, 6118744, 7504120, 7648430, 9942959, 15296860, 19885918, 30593720, 39771836, 49714795, 79543672, 99429590, 198859180, 397718360]

約数ペア:

[(1, 397718360), (2, 198859180), (4, 99429590), (5, 79543672), (8, 49714795), (10, 39771836), (13, 30593720), (20, 19885918), (26, 15296860), (40, 9942959), (52, 7648430), (53, 7504120), (65, 6118744), (104, 3824215), (106, 3752060), (130, 3059372), (212, 1876030), (260, 1529686), (265, 1500824), (424, 938015), (520, 764843), (530, 750412), (689, 577240), (1060, 375206), (1378, 288620), (2120, 187603), (2756, 144310), (3445, 115448), (5512, 72155), (6890, 57724), (13780, 28862), (14431, 27560)]