169909880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2539}}^1$

素因数の和:2796

約数の個数: 64

約数和(自身を含む): 438912000

約数和(自身を除く): 269002120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2390, 2539, 3346, 4780, 5078, 6692, 8365, 9560, 10156, 12695, 13384, 16730, 17773, 20312, 25390, 33460, 35546, 50780, 66920, 71092, 88865, 101560, 142184, 177730, 355460, 606821, 710920, 1213642, 2427284, 3034105, 4247747, 4854568, 6068210, 8495494, 12136420, 16990988, 21238735, 24272840, 33981976, 42477470, 84954940, 169909880]

約数ペア:

[(1, 169909880), (2, 84954940), (4, 42477470), (5, 33981976), (7, 24272840), (8, 21238735), (10, 16990988), (14, 12136420), (20, 8495494), (28, 6068210), (35, 4854568), (40, 4247747), (56, 3034105), (70, 2427284), (140, 1213642), (239, 710920), (280, 606821), (478, 355460), (956, 177730), (1195, 142184), (1673, 101560), (1912, 88865), (2390, 71092), (2539, 66920), (3346, 50780), (4780, 35546), (5078, 33460), (6692, 25390), (8365, 20312), (9560, 17773), (10156, 16730), (12695, 13384)]