312756820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{12601}}^1$

素因数の和:12700

約数の個数: 48

約数和(自身を含む): 705006288

約数和(自身を除く): 392249468

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1460, 2482, 4964, 6205, 12410, 12601, 24820, 25202, 50404, 63005, 126010, 214217, 252020, 428434, 856868, 919873, 1071085, 1839746, 2142170, 3679492, 4284340, 4599365, 9198730, 15637841, 18397460, 31275682, 62551364, 78189205, 156378410, 312756820]

約数ペア:

[(1, 312756820), (2, 156378410), (4, 78189205), (5, 62551364), (10, 31275682), (17, 18397460), (20, 15637841), (34, 9198730), (68, 4599365), (73, 4284340), (85, 3679492), (146, 2142170), (170, 1839746), (292, 1071085), (340, 919873), (365, 856868), (730, 428434), (1241, 252020), (1460, 214217), (2482, 126010), (4964, 63005), (6205, 50404), (12410, 25202), (12601, 24820)]