398045590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:861

約数の個数: 64

約数和(自身を含む): 783820800

約数和(自身を除く): 385775210

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 83, 115, 145, 166, 230, 290, 415, 667, 719, 830, 1334, 1438, 1909, 2407, 3335, 3595, 3818, 4814, 6670, 7190, 9545, 12035, 16537, 19090, 20851, 24070, 33074, 41702, 55361, 59677, 82685, 104255, 110722, 119354, 165370, 208510, 276805, 298385, 479573, 553610, 596770, 959146, 1372571, 1730633, 2397865, 2745142, 3461266, 4795730, 6862855, 8653165, 13725710, 17306330, 39804559, 79609118, 199022795, 398045590]

約数ペア:

[(1, 398045590), (2, 199022795), (5, 79609118), (10, 39804559), (23, 17306330), (29, 13725710), (46, 8653165), (58, 6862855), (83, 4795730), (115, 3461266), (145, 2745142), (166, 2397865), (230, 1730633), (290, 1372571), (415, 959146), (667, 596770), (719, 553610), (830, 479573), (1334, 298385), (1438, 276805), (1909, 208510), (2407, 165370), (3335, 119354), (3595, 110722), (3818, 104255), (4814, 82685), (6670, 59677), (7190, 55361), (9545, 41702), (12035, 33074), (16537, 24070), (19090, 20851)]