291444400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1367}}^1$

素因数の和:1439

約数の個数: 120

約数和(自身を含む): 773013024

約数和(自身を除く): 481568624

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 41, 50, 52, 65, 80, 82, 100, 104, 130, 164, 200, 205, 208, 260, 325, 328, 400, 410, 520, 533, 650, 656, 820, 1025, 1040, 1066, 1300, 1367, 1640, 2050, 2132, 2600, 2665, 2734, 3280, 4100, 4264, 5200, 5330, 5468, 6835, 8200, 8528, 10660, 10936, 13325, 13670, 16400, 17771, 21320, 21872, 26650, 27340, 34175, 35542, 42640, 53300, 54680, 56047, 68350, 71084, 88855, 106600, 109360, 112094, 136700, 142168, 177710, 213200, 224188, 273400, 280235, 284336, 355420, 444275, 448376, 546800, 560470, 710840, 728611, 888550, 896752, 1120940, 1401175, 1421680, 1457222, 1777100, 2241880, 2802350, 2914444, 3554200, 3643055, 4483760, 5604700, 5828888, 7108400, 7286110, 11209400, 11657776, 14572220, 18215275, 22418800, 29144440, 36430550, 58288880, 72861100, 145722200, 291444400]

約数ペア:

[(1, 291444400), (2, 145722200), (4, 72861100), (5, 58288880), (8, 36430550), (10, 29144440), (13, 22418800), (16, 18215275), (20, 14572220), (25, 11657776), (26, 11209400), (40, 7286110), (41, 7108400), (50, 5828888), (52, 5604700), (65, 4483760), (80, 3643055), (82, 3554200), (100, 2914444), (104, 2802350), (130, 2241880), (164, 1777100), (200, 1457222), (205, 1421680), (208, 1401175), (260, 1120940), (325, 896752), (328, 888550), (400, 728611), (410, 710840), (520, 560470), (533, 546800), (650, 448376), (656, 444275), (820, 355420), (1025, 284336), (1040, 280235), (1066, 273400), (1300, 224188), (1367, 213200), (1640, 177710), (2050, 142168), (2132, 136700), (2600, 112094), (2665, 109360), (2734, 106600), (3280, 88855), (4100, 71084), (4264, 68350), (5200, 56047), (5330, 54680), (5468, 53300), (6835, 42640), (8200, 35542), (8528, 34175), (10660, 27340), (10936, 26650), (13325, 21872), (13670, 21320), (16400, 17771)]