148800620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2243}}^1$

素因数の和:2390

約数の個数: 48

約数和(自身を含む): 325721088

約数和(自身を除く): 176920468

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 2140, 2243, 3317, 4486, 6634, 8972, 11215, 13268, 16585, 22430, 33170, 44860, 66340, 69533, 139066, 240001, 278132, 347665, 480002, 695330, 960004, 1200005, 1390660, 2400010, 4800020, 7440031, 14880062, 29760124, 37200155, 74400310, 148800620]

約数ペア:

[(1, 148800620), (2, 74400310), (4, 37200155), (5, 29760124), (10, 14880062), (20, 7440031), (31, 4800020), (62, 2400010), (107, 1390660), (124, 1200005), (155, 960004), (214, 695330), (310, 480002), (428, 347665), (535, 278132), (620, 240001), (1070, 139066), (2140, 69533), (2243, 66340), (3317, 44860), (4486, 33170), (6634, 22430), (8972, 16585), (11215, 13268)]