8979740

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1$

素因数の和:65

約数の個数: 120

約数和(自身を含む): 25410672

約数和(自身を除く): 16430932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 49, 55, 68, 70, 77, 85, 98, 110, 119, 140, 154, 170, 187, 196, 220, 238, 245, 308, 340, 343, 374, 385, 476, 490, 539, 595, 686, 748, 770, 833, 935, 980, 1078, 1190, 1309, 1372, 1540, 1666, 1715, 1870, 2156, 2380, 2401, 2618, 2695, 3332, 3430, 3740, 3773, 4165, 4802, 5236, 5390, 5831, 6545, 6860, 7546, 8330, 9163, 9604, 10780, 11662, 12005, 13090, 15092, 16660, 18326, 18865, 23324, 24010, 26180, 26411, 29155, 36652, 37730, 40817, 45815, 48020, 52822, 58310, 64141, 75460, 81634, 91630, 105644, 116620, 128282, 132055, 163268, 183260, 204085, 256564, 264110, 320705, 408170, 448987, 528220, 641410, 816340, 897974, 1282820, 1795948, 2244935, 4489870, 8979740]

約数ペア:

[(1, 8979740), (2, 4489870), (4, 2244935), (5, 1795948), (7, 1282820), (10, 897974), (11, 816340), (14, 641410), (17, 528220), (20, 448987), (22, 408170), (28, 320705), (34, 264110), (35, 256564), (44, 204085), (49, 183260), (55, 163268), (68, 132055), (70, 128282), (77, 116620), (85, 105644), (98, 91630), (110, 81634), (119, 75460), (140, 64141), (154, 58310), (170, 52822), (187, 48020), (196, 45815), (220, 40817), (238, 37730), (245, 36652), (308, 29155), (340, 26411), (343, 26180), (374, 24010), (385, 23324), (476, 18865), (490, 18326), (539, 16660), (595, 15092), (686, 13090), (748, 12005), (770, 11662), (833, 10780), (935, 9604), (980, 9163), (1078, 8330), (1190, 7546), (1309, 6860), (1372, 6545), (1540, 5831), (1666, 5390), (1715, 5236), (1870, 4802), (2156, 4165), (2380, 3773), (2401, 3740), (2618, 3430), (2695, 3332)]