388934260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{569}}^1$

素因数の和:841

約数の個数: 96

約数和(自身を含む): 965260800

約数和(自身を除く): 576326540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 239, 260, 286, 478, 569, 572, 715, 956, 1138, 1195, 1430, 2276, 2390, 2629, 2845, 2860, 3107, 4780, 5258, 5690, 6214, 6259, 7397, 10516, 11380, 12428, 12518, 13145, 14794, 15535, 25036, 26290, 29588, 31070, 31295, 34177, 36985, 52580, 62140, 62590, 68354, 73970, 81367, 125180, 135991, 136708, 147940, 162734, 170885, 271982, 325468, 341770, 406835, 543964, 679955, 683540, 813670, 1359910, 1495901, 1627340, 1767883, 2719820, 2991802, 3535766, 5983604, 7071532, 7479505, 8839415, 14959010, 17678830, 19446713, 29918020, 35357660, 38893426, 77786852, 97233565, 194467130, 388934260]

約数ペア:

[(1, 388934260), (2, 194467130), (4, 97233565), (5, 77786852), (10, 38893426), (11, 35357660), (13, 29918020), (20, 19446713), (22, 17678830), (26, 14959010), (44, 8839415), (52, 7479505), (55, 7071532), (65, 5983604), (110, 3535766), (130, 2991802), (143, 2719820), (220, 1767883), (239, 1627340), (260, 1495901), (286, 1359910), (478, 813670), (569, 683540), (572, 679955), (715, 543964), (956, 406835), (1138, 341770), (1195, 325468), (1430, 271982), (2276, 170885), (2390, 162734), (2629, 147940), (2845, 136708), (2860, 135991), (3107, 125180), (4780, 81367), (5258, 73970), (5690, 68354), (6214, 62590), (6259, 62140), (7397, 52580), (10516, 36985), (11380, 34177), (12428, 31295), (12518, 31070), (13145, 29588), (14794, 26290), (15535, 25036)]