2774378920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 6808665600

約数和(自身を除く): 4034286680

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 43, 68, 85, 86, 136, 170, 172, 215, 239, 340, 344, 397, 430, 478, 680, 731, 794, 860, 956, 1195, 1462, 1588, 1720, 1912, 1985, 2390, 2924, 3176, 3655, 3970, 4063, 4780, 5848, 6749, 7310, 7940, 8126, 9560, 10277, 13498, 14620, 15880, 16252, 17071, 20315, 20554, 26996, 29240, 32504, 33745, 34142, 40630, 41108, 51385, 53992, 67490, 68284, 81260, 82216, 85355, 94883, 102770, 134980, 136568, 162520, 170710, 174709, 189766, 205540, 269960, 290207, 341420, 349418, 379532, 411080, 474415, 580414, 682840, 698836, 759064, 873545, 948830, 1160828, 1397672, 1451035, 1613011, 1747090, 1897660, 2321656, 2902070, 3226022, 3494180, 3795320, 4079969, 5804140, 6452044, 6988360, 8065055, 8159938, 11608280, 12904088, 16130110, 16319876, 20399845, 32260220, 32639752, 40799690, 64520440, 69359473, 81599380, 138718946, 163198760, 277437892, 346797365, 554875784, 693594730, 1387189460, 2774378920]

約数ペア:

[(1, 2774378920), (2, 1387189460), (4, 693594730), (5, 554875784), (8, 346797365), (10, 277437892), (17, 163198760), (20, 138718946), (34, 81599380), (40, 69359473), (43, 64520440), (68, 40799690), (85, 32639752), (86, 32260220), (136, 20399845), (170, 16319876), (172, 16130110), (215, 12904088), (239, 11608280), (340, 8159938), (344, 8065055), (397, 6988360), (430, 6452044), (478, 5804140), (680, 4079969), (731, 3795320), (794, 3494180), (860, 3226022), (956, 2902070), (1195, 2321656), (1462, 1897660), (1588, 1747090), (1720, 1613011), (1912, 1451035), (1985, 1397672), (2390, 1160828), (2924, 948830), (3176, 873545), (3655, 759064), (3970, 698836), (4063, 682840), (4780, 580414), (5848, 474415), (6749, 411080), (7310, 379532), (7940, 349418), (8126, 341420), (9560, 290207), (10277, 269960), (13498, 205540), (14620, 189766), (15880, 174709), (16252, 170710), (17071, 162520), (20315, 136568), (20554, 134980), (26996, 102770), (29240, 94883), (32504, 85355), (33745, 82216), (34142, 81260), (40630, 68284), (41108, 67490), (51385, 53992)]