28983653720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1\times {\mathrm{1669}}^1$

素因数の和:2365

約数の個数: 128

約数和(自身を含む): 75390480000

約数和(自身を除く): 46406826280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 569, 763, 872, 1090, 1138, 1526, 1669, 2180, 2276, 2845, 3052, 3338, 3815, 3983, 4360, 4552, 5690, 6104, 6676, 7630, 7966, 8345, 11380, 11683, 13352, 15260, 15932, 16690, 19915, 22760, 23366, 30520, 31864, 33380, 39830, 46732, 58415, 62021, 66760, 79660, 93464, 116830, 124042, 159320, 181921, 233660, 248084, 310105, 363842, 434147, 467320, 496168, 620210, 727684, 868294, 909605, 949661, 1240420, 1273447, 1455368, 1736588, 1819210, 1899322, 2170735, 2480840, 2546894, 3473176, 3638420, 3798644, 4341470, 4748305, 5093788, 6367235, 6647627, 7276840, 7597288, 8682940, 9496610, 10187576, 12734470, 13295254, 17365880, 18993220, 25468940, 26590508, 33238135, 37986440, 50937880, 53181016, 66476270, 103513049, 132952540, 207026098, 265905080, 414052196, 517565245, 724591343, 828104392, 1035130490, 1449182686, 2070260980, 2898365372, 3622956715, 4140521960, 5796730744, 7245913430, 14491826860, 28983653720]

約数ペア:

[(1, 28983653720), (2, 14491826860), (4, 7245913430), (5, 5796730744), (7, 4140521960), (8, 3622956715), (10, 2898365372), (14, 2070260980), (20, 1449182686), (28, 1035130490), (35, 828104392), (40, 724591343), (56, 517565245), (70, 414052196), (109, 265905080), (140, 207026098), (218, 132952540), (280, 103513049), (436, 66476270), (545, 53181016), (569, 50937880), (763, 37986440), (872, 33238135), (1090, 26590508), (1138, 25468940), (1526, 18993220), (1669, 17365880), (2180, 13295254), (2276, 12734470), (2845, 10187576), (3052, 9496610), (3338, 8682940), (3815, 7597288), (3983, 7276840), (4360, 6647627), (4552, 6367235), (5690, 5093788), (6104, 4748305), (6676, 4341470), (7630, 3798644), (7966, 3638420), (8345, 3473176), (11380, 2546894), (11683, 2480840), (13352, 2170735), (15260, 1899322), (15932, 1819210), (16690, 1736588), (19915, 1455368), (22760, 1273447), (23366, 1240420), (30520, 949661), (31864, 909605), (33380, 868294), (39830, 727684), (46732, 620210), (58415, 496168), (62021, 467320), (66760, 434147), (79660, 363842), (93464, 310105), (116830, 248084), (124042, 233660), (159320, 181921)]