90503980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 225792000

約数和(自身を除く): 135288020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 167, 196, 245, 316, 334, 343, 395, 490, 553, 668, 686, 790, 835, 980, 1106, 1169, 1372, 1580, 1670, 1715, 2212, 2338, 2765, 3340, 3430, 3871, 4676, 5530, 5845, 6860, 7742, 8183, 11060, 11690, 13193, 15484, 16366, 19355, 23380, 26386, 27097, 32732, 38710, 40915, 52772, 54194, 57281, 65965, 77420, 81830, 92351, 108388, 114562, 131930, 135485, 163660, 184702, 229124, 263860, 270970, 286405, 369404, 461755, 541940, 572810, 646457, 923510, 1145620, 1292914, 1847020, 2585828, 3232285, 4525199, 6464570, 9050398, 12929140, 18100796, 22625995, 45251990, 90503980]

約数ペア:

[(1, 90503980), (2, 45251990), (4, 22625995), (5, 18100796), (7, 12929140), (10, 9050398), (14, 6464570), (20, 4525199), (28, 3232285), (35, 2585828), (49, 1847020), (70, 1292914), (79, 1145620), (98, 923510), (140, 646457), (158, 572810), (167, 541940), (196, 461755), (245, 369404), (316, 286405), (334, 270970), (343, 263860), (395, 229124), (490, 184702), (553, 163660), (668, 135485), (686, 131930), (790, 114562), (835, 108388), (980, 92351), (1106, 81830), (1169, 77420), (1372, 65965), (1580, 57281), (1670, 54194), (1715, 52772), (2212, 40915), (2338, 38710), (2765, 32732), (3340, 27097), (3430, 26386), (3871, 23380), (4676, 19355), (5530, 16366), (5845, 15484), (6860, 13193), (7742, 11690), (8183, 11060)]