406070290

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 64

約数和(自身を含む): 785521152

約数和(自身を除く): 379450862

約数列:

[1, 2, 5, 10, 23, 46, 61, 103, 115, 122, 206, 230, 281, 305, 515, 562, 610, 1030, 1403, 1405, 2369, 2806, 2810, 4738, 6283, 6463, 7015, 11845, 12566, 12926, 14030, 17141, 23690, 28943, 31415, 32315, 34282, 57886, 62830, 64630, 85705, 144509, 144715, 171410, 289018, 289430, 394243, 665689, 722545, 788486, 1331378, 1445090, 1765523, 1971215, 3328445, 3531046, 3942430, 6656890, 8827615, 17655230, 40607029, 81214058, 203035145, 406070290]

約数ペア:

[(1, 406070290), (2, 203035145), (5, 81214058), (10, 40607029), (23, 17655230), (46, 8827615), (61, 6656890), (103, 3942430), (115, 3531046), (122, 3328445), (206, 1971215), (230, 1765523), (281, 1445090), (305, 1331378), (515, 788486), (562, 722545), (610, 665689), (1030, 394243), (1403, 289430), (1405, 289018), (2369, 171410), (2806, 144715), (2810, 144509), (4738, 85705), (6283, 64630), (6463, 62830), (7015, 57886), (11845, 34282), (12566, 32315), (12926, 31415), (14030, 28943), (17141, 23690)]