619947920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{547}}^1$

素因数の和:1048

約数の個数: 80

約数和(自身を含む): 1493856768

約数和(自身を除く): 873908848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 457, 496, 547, 620, 914, 1094, 1240, 1828, 2188, 2285, 2480, 2735, 3656, 4376, 4570, 5470, 7312, 8752, 9140, 10940, 14167, 16957, 18280, 21880, 28334, 33914, 36560, 43760, 56668, 67828, 70835, 84785, 113336, 135656, 141670, 169570, 226672, 249979, 271312, 283340, 339140, 499958, 566680, 678280, 999916, 1133360, 1249895, 1356560, 1999832, 2499790, 3999664, 4999580, 7749349, 9999160, 15498698, 19998320, 30997396, 38746745, 61994792, 77493490, 123989584, 154986980, 309973960, 619947920]

約数ペア:

[(1, 619947920), (2, 309973960), (4, 154986980), (5, 123989584), (8, 77493490), (10, 61994792), (16, 38746745), (20, 30997396), (31, 19998320), (40, 15498698), (62, 9999160), (80, 7749349), (124, 4999580), (155, 3999664), (248, 2499790), (310, 1999832), (457, 1356560), (496, 1249895), (547, 1133360), (620, 999916), (914, 678280), (1094, 566680), (1240, 499958), (1828, 339140), (2188, 283340), (2285, 271312), (2480, 249979), (2735, 226672), (3656, 169570), (4376, 141670), (4570, 135656), (5470, 113336), (7312, 84785), (8752, 70835), (9140, 67828), (10940, 56668), (14167, 43760), (16957, 36560), (18280, 33914), (21880, 28334)]