290555680

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1$

素因数の和:402

約数の個数: 96

約数和(自身を含む): 704471040

約数和(自身を除く): 413915360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 127, 158, 160, 181, 254, 316, 362, 395, 508, 632, 635, 724, 790, 905, 1016, 1264, 1270, 1448, 1580, 1810, 2032, 2528, 2540, 2896, 3160, 3620, 4064, 5080, 5792, 6320, 7240, 10033, 10160, 12640, 14299, 14480, 20066, 20320, 22987, 28598, 28960, 40132, 45974, 50165, 57196, 71495, 80264, 91948, 100330, 114392, 114935, 142990, 160528, 183896, 200660, 228784, 229870, 285980, 321056, 367792, 401320, 457568, 459740, 571960, 735584, 802640, 919480, 1143920, 1605280, 1815973, 1838960, 2287840, 3631946, 3677920, 7263892, 9079865, 14527784, 18159730, 29055568, 36319460, 58111136, 72638920, 145277840, 290555680]

約数ペア:

[(1, 290555680), (2, 145277840), (4, 72638920), (5, 58111136), (8, 36319460), (10, 29055568), (16, 18159730), (20, 14527784), (32, 9079865), (40, 7263892), (79, 3677920), (80, 3631946), (127, 2287840), (158, 1838960), (160, 1815973), (181, 1605280), (254, 1143920), (316, 919480), (362, 802640), (395, 735584), (508, 571960), (632, 459740), (635, 457568), (724, 401320), (790, 367792), (905, 321056), (1016, 285980), (1264, 229870), (1270, 228784), (1448, 200660), (1580, 183896), (1810, 160528), (2032, 142990), (2528, 114935), (2540, 114392), (2896, 100330), (3160, 91948), (3620, 80264), (4064, 71495), (5080, 57196), (5792, 50165), (6320, 45974), (7240, 40132), (10033, 28960), (10160, 28598), (12640, 22987), (14299, 20320), (14480, 20066)]