7745566220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{827}}^1$

素因数の和:1372

約数の個数: 144

約数和(自身を含む): 19980898560

約数和(自身を除く): 12235332340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 503, 532, 665, 827, 931, 980, 1006, 1330, 1654, 1862, 2012, 2515, 2660, 3308, 3521, 3724, 4135, 4655, 5030, 5789, 7042, 8270, 9310, 9557, 10060, 11578, 14084, 15713, 16540, 17605, 18620, 19114, 23156, 24647, 28945, 31426, 35210, 38228, 40523, 47785, 49294, 57890, 62852, 66899, 70420, 78565, 81046, 95570, 98588, 109991, 115780, 123235, 133798, 157130, 162092, 191140, 202615, 219982, 246470, 267596, 314260, 334495, 405230, 415981, 439964, 468293, 492940, 549955, 668990, 769937, 810460, 831962, 936586, 1099910, 1337980, 1539874, 1663924, 1873172, 2079905, 2199820, 2341465, 2911867, 3079748, 3849685, 4159810, 4682930, 5823734, 7699370, 7903639, 8319620, 9365860, 11647468, 14559335, 15398740, 15807278, 20383069, 29118670, 31614556, 39518195, 40766138, 55325473, 58237340, 79036390, 81532276, 101915345, 110650946, 158072780, 203830690, 221301892, 276627365, 387278311, 407661380, 553254730, 774556622, 1106509460, 1549113244, 1936391555, 3872783110, 7745566220]

約数ペア:

[(1, 7745566220), (2, 3872783110), (4, 1936391555), (5, 1549113244), (7, 1106509460), (10, 774556622), (14, 553254730), (19, 407661380), (20, 387278311), (28, 276627365), (35, 221301892), (38, 203830690), (49, 158072780), (70, 110650946), (76, 101915345), (95, 81532276), (98, 79036390), (133, 58237340), (140, 55325473), (190, 40766138), (196, 39518195), (245, 31614556), (266, 29118670), (380, 20383069), (490, 15807278), (503, 15398740), (532, 14559335), (665, 11647468), (827, 9365860), (931, 8319620), (980, 7903639), (1006, 7699370), (1330, 5823734), (1654, 4682930), (1862, 4159810), (2012, 3849685), (2515, 3079748), (2660, 2911867), (3308, 2341465), (3521, 2199820), (3724, 2079905), (4135, 1873172), (4655, 1663924), (5030, 1539874), (5789, 1337980), (7042, 1099910), (8270, 936586), (9310, 831962), (9557, 810460), (10060, 769937), (11578, 668990), (14084, 549955), (15713, 492940), (16540, 468293), (17605, 439964), (18620, 415981), (19114, 405230), (23156, 334495), (24647, 314260), (28945, 267596), (31426, 246470), (35210, 219982), (38228, 202615), (40523, 191140), (47785, 162092), (49294, 157130), (57890, 133798), (62852, 123235), (66899, 115780), (70420, 109991), (78565, 98588), (81046, 95570)]