18977771225

素因数分解:

$5^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1\times {\mathrm{2833}}^1$

素因数の和:3330

約数の個数: 48

約数和(自身を含む): 27241768320

約数和(自身を除く): 8263997095

約数列:

[1, 5, 7, 25, 35, 101, 175, 379, 505, 707, 1895, 2525, 2653, 2833, 3535, 9475, 13265, 14165, 17675, 19831, 38279, 66325, 70825, 99155, 191395, 267953, 286133, 495775, 956975, 1073707, 1339765, 1430665, 2002931, 5368535, 6698825, 7153325, 7515949, 10014655, 26842675, 37579745, 50073275, 108444407, 187898725, 542222035, 759110849, 2711110175, 3795554245, 18977771225]

約数ペア:

[(1, 18977771225), (5, 3795554245), (7, 2711110175), (25, 759110849), (35, 542222035), (101, 187898725), (175, 108444407), (379, 50073275), (505, 37579745), (707, 26842675), (1895, 10014655), (2525, 7515949), (2653, 7153325), (2833, 6698825), (3535, 5368535), (9475, 2002931), (13265, 1430665), (14165, 1339765), (17675, 1073707), (19831, 956975), (38279, 495775), (66325, 286133), (70825, 267953), (99155, 191395)]