401815960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1871}}^1$

素因数の和:1961

約数の個数: 128

約数和(自身を含む): 1132185600

約数和(自身を除く): 730369640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 236, 260, 280, 295, 364, 413, 455, 472, 520, 590, 728, 767, 826, 910, 1180, 1534, 1652, 1820, 1871, 2065, 2360, 3068, 3304, 3640, 3742, 3835, 4130, 5369, 6136, 7484, 7670, 8260, 9355, 10738, 13097, 14968, 15340, 16520, 18710, 21476, 24323, 26194, 26845, 30680, 37420, 42952, 48646, 52388, 53690, 65485, 74840, 97292, 104776, 107380, 110389, 121615, 130970, 170261, 194584, 214760, 220778, 243230, 261940, 340522, 441556, 486460, 523880, 551945, 681044, 772723, 851305, 883112, 972920, 1103890, 1362088, 1435057, 1545446, 1702610, 2207780, 2870114, 3090892, 3405220, 3863615, 4415560, 5740228, 6181784, 6810440, 7175285, 7727230, 10045399, 11480456, 14350570, 15454460, 20090798, 28701140, 30908920, 40181596, 50226995, 57402280, 80363192, 100453990, 200907980, 401815960]

約数ペア:

[(1, 401815960), (2, 200907980), (4, 100453990), (5, 80363192), (7, 57402280), (8, 50226995), (10, 40181596), (13, 30908920), (14, 28701140), (20, 20090798), (26, 15454460), (28, 14350570), (35, 11480456), (40, 10045399), (52, 7727230), (56, 7175285), (59, 6810440), (65, 6181784), (70, 5740228), (91, 4415560), (104, 3863615), (118, 3405220), (130, 3090892), (140, 2870114), (182, 2207780), (236, 1702610), (260, 1545446), (280, 1435057), (295, 1362088), (364, 1103890), (413, 972920), (455, 883112), (472, 851305), (520, 772723), (590, 681044), (728, 551945), (767, 523880), (826, 486460), (910, 441556), (1180, 340522), (1534, 261940), (1652, 243230), (1820, 220778), (1871, 214760), (2065, 194584), (2360, 170261), (3068, 130970), (3304, 121615), (3640, 110389), (3742, 107380), (3835, 104776), (4130, 97292), (5369, 74840), (6136, 65485), (7484, 53690), (7670, 52388), (8260, 48646), (9355, 42952), (10738, 37420), (13097, 30680), (14968, 26845), (15340, 26194), (16520, 24323), (18710, 21476)]