403734920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1434

約数の個数: 64

約数和(自身を含む): 932206320

約数和(自身を除く): 528471400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 157, 212, 265, 314, 424, 530, 628, 785, 1060, 1213, 1256, 1570, 2120, 2426, 3140, 4852, 6065, 6280, 8321, 9704, 12130, 16642, 24260, 33284, 41605, 48520, 64289, 66568, 83210, 128578, 166420, 190441, 257156, 321445, 332840, 380882, 514312, 642890, 761764, 952205, 1285780, 1523528, 1904410, 2571560, 3808820, 7617640, 10093373, 20186746, 40373492, 50466865, 80746984, 100933730, 201867460, 403734920]

約数ペア:

[(1, 403734920), (2, 201867460), (4, 100933730), (5, 80746984), (8, 50466865), (10, 40373492), (20, 20186746), (40, 10093373), (53, 7617640), (106, 3808820), (157, 2571560), (212, 1904410), (265, 1523528), (314, 1285780), (424, 952205), (530, 761764), (628, 642890), (785, 514312), (1060, 380882), (1213, 332840), (1256, 321445), (1570, 257156), (2120, 190441), (2426, 166420), (3140, 128578), (4852, 83210), (6065, 66568), (6280, 64289), (8321, 48520), (9704, 41605), (12130, 33284), (16642, 24260)]