620123075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1949}}^1$

素因数の和:2072

約数の個数: 48

約数和(自身を含む): 914004000

約数和(自身を除く): 293880925

約数列:

[1, 5, 11, 13, 25, 55, 65, 89, 143, 275, 325, 445, 715, 979, 1157, 1949, 2225, 3575, 4895, 5785, 9745, 12727, 21439, 24475, 25337, 28925, 48725, 63635, 107195, 126685, 173461, 278707, 318175, 535975, 633425, 867305, 1393535, 1908071, 2254993, 4336525, 6967675, 9540355, 11274965, 24804923, 47701775, 56374825, 124024615, 620123075]

約数ペア:

[(1, 620123075), (5, 124024615), (11, 56374825), (13, 47701775), (25, 24804923), (55, 11274965), (65, 9540355), (89, 6967675), (143, 4336525), (275, 2254993), (325, 1908071), (445, 1393535), (715, 867305), (979, 633425), (1157, 535975), (1949, 318175), (2225, 278707), (3575, 173461), (4895, 126685), (5785, 107195), (9745, 63635), (12727, 48725), (21439, 28925), (24475, 25337)]