221323250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:732

約数の個数: 64

約数和(自身を含む): 440114688

約数和(自身を除く): 218791438

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 61, 115, 122, 125, 230, 250, 305, 575, 610, 631, 1150, 1262, 1403, 1525, 2806, 2875, 3050, 3155, 5750, 6310, 7015, 7625, 14030, 14513, 15250, 15775, 29026, 31550, 35075, 38491, 70150, 72565, 76982, 78875, 145130, 157750, 175375, 192455, 350750, 362825, 384910, 725650, 885293, 962275, 1770586, 1814125, 1924550, 3628250, 4426465, 4811375, 8852930, 9622750, 22132325, 44264650, 110661625, 221323250]

約数ペア:

[(1, 221323250), (2, 110661625), (5, 44264650), (10, 22132325), (23, 9622750), (25, 8852930), (46, 4811375), (50, 4426465), (61, 3628250), (115, 1924550), (122, 1814125), (125, 1770586), (230, 962275), (250, 885293), (305, 725650), (575, 384910), (610, 362825), (631, 350750), (1150, 192455), (1262, 175375), (1403, 157750), (1525, 145130), (2806, 78875), (2875, 76982), (3050, 72565), (3155, 70150), (5750, 38491), (6310, 35075), (7015, 31550), (7625, 29026), (14030, 15775), (14513, 15250)]