28734940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 69713280

約数和(自身を除く): 40978340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 37, 52, 58, 65, 74, 103, 116, 130, 145, 148, 185, 206, 260, 290, 370, 377, 412, 481, 515, 580, 740, 754, 962, 1030, 1073, 1339, 1508, 1885, 1924, 2060, 2146, 2405, 2678, 2987, 3770, 3811, 4292, 4810, 5356, 5365, 5974, 6695, 7540, 7622, 9620, 10730, 11948, 13390, 13949, 14935, 15244, 19055, 21460, 26780, 27898, 29870, 38110, 38831, 49543, 55796, 59740, 69745, 76220, 77662, 99086, 110519, 139490, 155324, 194155, 198172, 221038, 247715, 278980, 388310, 442076, 495430, 552595, 776620, 990860, 1105190, 1436747, 2210380, 2873494, 5746988, 7183735, 14367470, 28734940]

約数ペア:

[(1, 28734940), (2, 14367470), (4, 7183735), (5, 5746988), (10, 2873494), (13, 2210380), (20, 1436747), (26, 1105190), (29, 990860), (37, 776620), (52, 552595), (58, 495430), (65, 442076), (74, 388310), (103, 278980), (116, 247715), (130, 221038), (145, 198172), (148, 194155), (185, 155324), (206, 139490), (260, 110519), (290, 99086), (370, 77662), (377, 76220), (412, 69745), (481, 59740), (515, 55796), (580, 49543), (740, 38831), (754, 38110), (962, 29870), (1030, 27898), (1073, 26780), (1339, 21460), (1508, 19055), (1885, 15244), (1924, 14935), (2060, 13949), (2146, 13390), (2405, 11948), (2678, 10730), (2987, 9620), (3770, 7622), (3811, 7540), (4292, 6695), (4810, 5974), (5356, 5365)]