311845845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 547430400

約数和(自身を除く): 235584555

約数列:

[1, 3, 5, 15, 23, 29, 69, 71, 87, 115, 145, 213, 345, 355, 435, 439, 667, 1065, 1317, 1633, 2001, 2059, 2195, 3335, 4899, 6177, 6585, 8165, 10005, 10097, 10295, 12731, 24495, 30291, 30885, 31169, 38193, 47357, 50485, 63655, 93507, 142071, 151455, 155845, 190965, 236785, 292813, 467535, 710355, 716887, 878439, 903901, 1464065, 2150661, 2711703, 3584435, 4392195, 4519505, 10753305, 13558515, 20789723, 62369169, 103948615, 311845845]

約数ペア:

[(1, 311845845), (3, 103948615), (5, 62369169), (15, 20789723), (23, 13558515), (29, 10753305), (69, 4519505), (71, 4392195), (87, 3584435), (115, 2711703), (145, 2150661), (213, 1464065), (345, 903901), (355, 878439), (435, 716887), (439, 710355), (667, 467535), (1065, 292813), (1317, 236785), (1633, 190965), (2001, 155845), (2059, 151455), (2195, 142071), (3335, 93507), (4899, 63655), (6177, 50485), (6585, 47357), (8165, 38193), (10005, 31169), (10097, 30885), (10295, 30291), (12731, 24495)]