28408962820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{80111}}^1$

素因数の和:80293

約数の個数: 96

約数和(自身を含む): 72677606400

約数和(自身を除く): 44268643580

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 149, 170, 238, 298, 340, 476, 595, 596, 745, 1043, 1190, 1490, 2086, 2380, 2533, 2980, 4172, 5066, 5215, 10132, 10430, 12665, 17731, 20860, 25330, 35462, 50660, 70924, 80111, 88655, 160222, 177310, 320444, 354620, 400555, 560777, 801110, 1121554, 1361887, 1602220, 2243108, 2723774, 2803885, 5447548, 5607770, 6809435, 9533209, 11215540, 11936539, 13618870, 19066418, 23873078, 27237740, 38132836, 47666045, 47746156, 59682695, 83555773, 95332090, 119365390, 167111546, 190664180, 202921163, 238730780, 334223092, 405842326, 417778865, 811684652, 835557730, 1014605815, 1420448141, 1671115460, 2029211630, 2840896282, 4058423260, 5681792564, 7102240705, 14204481410, 28408962820]

約数ペア:

[(1, 28408962820), (2, 14204481410), (4, 7102240705), (5, 5681792564), (7, 4058423260), (10, 2840896282), (14, 2029211630), (17, 1671115460), (20, 1420448141), (28, 1014605815), (34, 835557730), (35, 811684652), (68, 417778865), (70, 405842326), (85, 334223092), (119, 238730780), (140, 202921163), (149, 190664180), (170, 167111546), (238, 119365390), (298, 95332090), (340, 83555773), (476, 59682695), (595, 47746156), (596, 47666045), (745, 38132836), (1043, 27237740), (1190, 23873078), (1490, 19066418), (2086, 13618870), (2380, 11936539), (2533, 11215540), (2980, 9533209), (4172, 6809435), (5066, 5607770), (5215, 5447548), (10132, 2803885), (10430, 2723774), (12665, 2243108), (17731, 1602220), (20860, 1361887), (25330, 1121554), (35462, 801110), (50660, 560777), (70924, 400555), (80111, 354620), (88655, 320444), (160222, 177310)]