290884528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2351}}^1$

素因数の和:2426

約数の個数: 80

約数和(自身を含む): 664957440

約数和(自身を除く): 374072912

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 176, 209, 296, 304, 407, 418, 592, 703, 814, 836, 1406, 1628, 1672, 2351, 2812, 3256, 3344, 4702, 5624, 6512, 7733, 9404, 11248, 15466, 18808, 25861, 30932, 37616, 44669, 51722, 61864, 86987, 89338, 103444, 123728, 173974, 178676, 206888, 347948, 357352, 413776, 491359, 695896, 714704, 956857, 982718, 1391792, 1652753, 1913714, 1965436, 3305506, 3827428, 3930872, 6611012, 7654856, 7861744, 13222024, 15309712, 18180283, 26444048, 36360566, 72721132, 145442264, 290884528]

約数ペア:

[(1, 290884528), (2, 145442264), (4, 72721132), (8, 36360566), (11, 26444048), (16, 18180283), (19, 15309712), (22, 13222024), (37, 7861744), (38, 7654856), (44, 6611012), (74, 3930872), (76, 3827428), (88, 3305506), (148, 1965436), (152, 1913714), (176, 1652753), (209, 1391792), (296, 982718), (304, 956857), (407, 714704), (418, 695896), (592, 491359), (703, 413776), (814, 357352), (836, 347948), (1406, 206888), (1628, 178676), (1672, 173974), (2351, 123728), (2812, 103444), (3256, 89338), (3344, 86987), (4702, 61864), (5624, 51722), (6512, 44669), (7733, 37616), (9404, 30932), (11248, 25861), (15466, 18808)]