28702935340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^2\times {\mathrm{10313}}^1$

素因数の和:10487

約数の個数: 72

約数和(自身を含む): 63169206912

約数和(自身を除く): 34466271572

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 2077, 4154, 4489, 8308, 8978, 10313, 10385, 17956, 20626, 20770, 22445, 41252, 41540, 44890, 51565, 89780, 103130, 139159, 206260, 278318, 319703, 556636, 639406, 690971, 695795, 1278812, 1381942, 1391590, 1598515, 2763884, 2783180, 3197030, 3454855, 6394060, 6909710, 13819420, 21420101, 42840202, 46295057, 85680404, 92590114, 107100505, 185180228, 214201010, 231475285, 428402020, 462950570, 925901140, 1435146767, 2870293534, 5740587068, 7175733835, 14351467670, 28702935340]

約数ペア:

[(1, 28702935340), (2, 14351467670), (4, 7175733835), (5, 5740587068), (10, 2870293534), (20, 1435146767), (31, 925901140), (62, 462950570), (67, 428402020), (124, 231475285), (134, 214201010), (155, 185180228), (268, 107100505), (310, 92590114), (335, 85680404), (620, 46295057), (670, 42840202), (1340, 21420101), (2077, 13819420), (4154, 6909710), (4489, 6394060), (8308, 3454855), (8978, 3197030), (10313, 2783180), (10385, 2763884), (17956, 1598515), (20626, 1391590), (20770, 1381942), (22445, 1278812), (41252, 695795), (41540, 690971), (44890, 639406), (51565, 556636), (89780, 319703), (103130, 278318), (139159, 206260)]