1388334544940

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{487}}^1\times {\mathrm{415567}}^1$

素因数の和:416084

約数の個数: 96

約数和(自身を含む): 3406992691200

約数和(自身を除く): 2018658146260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 487, 490, 686, 974, 980, 1372, 1715, 1948, 2435, 3409, 3430, 4870, 6818, 6860, 9740, 13636, 17045, 23863, 34090, 47726, 68180, 95452, 119315, 167041, 238630, 334082, 415567, 477260, 668164, 831134, 835205, 1662268, 1670410, 2077835, 2908969, 3340820, 4155670, 5817938, 8311340, 11635876, 14544845, 20362783, 29089690, 40725566, 58179380, 81451132, 101813915, 142539481, 202381129, 203627830, 285078962, 404762258, 407255660, 570157924, 712697405, 809524516, 1011905645, 1416667903, 1425394810, 2023811290, 2833335806, 2850789620, 4047622580, 5666671612, 7083339515, 9916675321, 14166679030, 19833350642, 28333358060, 39666701284, 49583376605, 69416727247, 99166753210, 138833454494, 198333506420, 277666908988, 347083636235, 694167272470, 1388334544940]

約数ペア:

[(1, 1388334544940), (2, 694167272470), (4, 347083636235), (5, 277666908988), (7, 198333506420), (10, 138833454494), (14, 99166753210), (20, 69416727247), (28, 49583376605), (35, 39666701284), (49, 28333358060), (70, 19833350642), (98, 14166679030), (140, 9916675321), (196, 7083339515), (245, 5666671612), (343, 4047622580), (487, 2850789620), (490, 2833335806), (686, 2023811290), (974, 1425394810), (980, 1416667903), (1372, 1011905645), (1715, 809524516), (1948, 712697405), (2435, 570157924), (3409, 407255660), (3430, 404762258), (4870, 285078962), (6818, 203627830), (6860, 202381129), (9740, 142539481), (13636, 101813915), (17045, 81451132), (23863, 58179380), (34090, 40725566), (47726, 29089690), (68180, 20362783), (95452, 14544845), (119315, 11635876), (167041, 8311340), (238630, 5817938), (334082, 4155670), (415567, 3340820), (477260, 2908969), (668164, 2077835), (831134, 1670410), (835205, 1662268)]