508768520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:967

約数の個数: 128

約数和(自身を含む): 1326326400

約数和(自身を除く): 817557880

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 67, 68, 85, 104, 130, 134, 136, 170, 221, 260, 268, 335, 340, 442, 520, 536, 670, 680, 859, 871, 884, 1105, 1139, 1340, 1718, 1742, 1768, 2210, 2278, 2680, 3436, 3484, 4295, 4355, 4420, 4556, 5695, 6872, 6968, 8590, 8710, 8840, 9112, 11167, 11390, 14603, 14807, 17180, 17420, 22334, 22780, 29206, 29614, 34360, 34840, 44668, 45560, 55835, 57553, 58412, 59228, 73015, 74035, 89336, 111670, 115106, 116824, 118456, 146030, 148070, 189839, 223340, 230212, 287765, 292060, 296140, 379678, 446680, 460424, 575530, 584120, 592280, 748189, 759356, 949195, 978401, 1151060, 1496378, 1518712, 1898390, 1956802, 2302120, 2992756, 3740945, 3796780, 3913604, 4892005, 5985512, 7481890, 7593560, 7827208, 9784010, 12719213, 14963780, 19568020, 25438426, 29927560, 39136040, 50876852, 63596065, 101753704, 127192130, 254384260, 508768520]

約数ペア:

[(1, 508768520), (2, 254384260), (4, 127192130), (5, 101753704), (8, 63596065), (10, 50876852), (13, 39136040), (17, 29927560), (20, 25438426), (26, 19568020), (34, 14963780), (40, 12719213), (52, 9784010), (65, 7827208), (67, 7593560), (68, 7481890), (85, 5985512), (104, 4892005), (130, 3913604), (134, 3796780), (136, 3740945), (170, 2992756), (221, 2302120), (260, 1956802), (268, 1898390), (335, 1518712), (340, 1496378), (442, 1151060), (520, 978401), (536, 949195), (670, 759356), (680, 748189), (859, 592280), (871, 584120), (884, 575530), (1105, 460424), (1139, 446680), (1340, 379678), (1718, 296140), (1742, 292060), (1768, 287765), (2210, 230212), (2278, 223340), (2680, 189839), (3436, 148070), (3484, 146030), (4295, 118456), (4355, 116824), (4420, 115106), (4556, 111670), (5695, 89336), (6872, 74035), (6968, 73015), (8590, 59228), (8710, 58412), (8840, 57553), (9112, 55835), (11167, 45560), (11390, 44668), (14603, 34840), (14807, 34360), (17180, 29614), (17420, 29206), (22334, 22780)]