28899902360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{601}}^1\times {\mathrm{863}}^1$

素因数の和:1681

約数の個数: 128

約数和(自身を含む): 74898432000

約数和(自身を除く): 45998529640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 280, 398, 601, 796, 863, 995, 1202, 1393, 1592, 1726, 1990, 2404, 2786, 3005, 3452, 3980, 4207, 4315, 4808, 5572, 6010, 6041, 6904, 6965, 7960, 8414, 8630, 11144, 12020, 12082, 13930, 16828, 17260, 21035, 24040, 24164, 27860, 30205, 33656, 34520, 42070, 48328, 55720, 60410, 84140, 119599, 120820, 168280, 171737, 239198, 241640, 343474, 478396, 518663, 597995, 686948, 837193, 858685, 956792, 1037326, 1195990, 1202159, 1373896, 1674386, 1717370, 2074652, 2391980, 2404318, 2593315, 3348772, 3434740, 3630641, 4149304, 4185965, 4783960, 4808636, 5186630, 6010795, 6697544, 6869480, 7261282, 8371930, 9617272, 10373260, 12021590, 14522564, 16743860, 18153205, 20746520, 24043180, 29045128, 33487720, 36306410, 48086360, 72612820, 103213937, 145225640, 206427874, 412855748, 516069685, 722497559, 825711496, 1032139370, 1444995118, 2064278740, 2889990236, 3612487795, 4128557480, 5779980472, 7224975590, 14449951180, 28899902360]

約数ペア:

[(1, 28899902360), (2, 14449951180), (4, 7224975590), (5, 5779980472), (7, 4128557480), (8, 3612487795), (10, 2889990236), (14, 2064278740), (20, 1444995118), (28, 1032139370), (35, 825711496), (40, 722497559), (56, 516069685), (70, 412855748), (140, 206427874), (199, 145225640), (280, 103213937), (398, 72612820), (601, 48086360), (796, 36306410), (863, 33487720), (995, 29045128), (1202, 24043180), (1393, 20746520), (1592, 18153205), (1726, 16743860), (1990, 14522564), (2404, 12021590), (2786, 10373260), (3005, 9617272), (3452, 8371930), (3980, 7261282), (4207, 6869480), (4315, 6697544), (4808, 6010795), (5572, 5186630), (6010, 4808636), (6041, 4783960), (6904, 4185965), (6965, 4149304), (7960, 3630641), (8414, 3434740), (8630, 3348772), (11144, 2593315), (12020, 2404318), (12082, 2391980), (13930, 2074652), (16828, 1717370), (17260, 1674386), (21035, 1373896), (24040, 1202159), (24164, 1195990), (27860, 1037326), (30205, 956792), (33656, 858685), (34520, 837193), (42070, 686948), (48328, 597995), (55720, 518663), (60410, 478396), (84140, 343474), (119599, 241640), (120820, 239198), (168280, 171737)]