290334530

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:563

約数の個数: 64

約数和(自身を含む): 564350976

約数和(自身を除く): 274016446

約数列:

[1, 2, 5, 10, 31, 41, 53, 62, 82, 106, 155, 205, 265, 310, 410, 431, 530, 862, 1271, 1643, 2155, 2173, 2542, 3286, 4310, 4346, 6355, 8215, 10865, 12710, 13361, 16430, 17671, 21730, 22843, 26722, 35342, 45686, 66805, 67363, 88355, 114215, 133610, 134726, 176710, 228430, 336815, 547801, 673630, 708133, 936563, 1095602, 1416266, 1873126, 2739005, 3540665, 4682815, 5478010, 7081330, 9365630, 29033453, 58066906, 145167265, 290334530]

約数ペア:

[(1, 290334530), (2, 145167265), (5, 58066906), (10, 29033453), (31, 9365630), (41, 7081330), (53, 5478010), (62, 4682815), (82, 3540665), (106, 2739005), (155, 1873126), (205, 1416266), (265, 1095602), (310, 936563), (410, 708133), (431, 673630), (530, 547801), (862, 336815), (1271, 228430), (1643, 176710), (2155, 134726), (2173, 133610), (2542, 114215), (3286, 88355), (4310, 67363), (4346, 66805), (6355, 45686), (8215, 35342), (10865, 26722), (12710, 22843), (13361, 21730), (16430, 17671)]