47728940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 117899712

約数和(自身を除く): 70170772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 113, 140, 196, 226, 245, 431, 452, 490, 565, 791, 862, 980, 1130, 1582, 1724, 2155, 2260, 3017, 3164, 3955, 4310, 5537, 6034, 7910, 8620, 11074, 12068, 15085, 15820, 21119, 22148, 27685, 30170, 42238, 48703, 55370, 60340, 84476, 97406, 105595, 110740, 194812, 211190, 243515, 340921, 422380, 487030, 681842, 974060, 1363684, 1704605, 2386447, 3409210, 4772894, 6818420, 9545788, 11932235, 23864470, 47728940]

約数ペア:

[(1, 47728940), (2, 23864470), (4, 11932235), (5, 9545788), (7, 6818420), (10, 4772894), (14, 3409210), (20, 2386447), (28, 1704605), (35, 1363684), (49, 974060), (70, 681842), (98, 487030), (113, 422380), (140, 340921), (196, 243515), (226, 211190), (245, 194812), (431, 110740), (452, 105595), (490, 97406), (565, 84476), (791, 60340), (862, 55370), (980, 48703), (1130, 42238), (1582, 30170), (1724, 27685), (2155, 22148), (2260, 21119), (3017, 15820), (3164, 15085), (3955, 12068), (4310, 11074), (5537, 8620), (6034, 7910)]