2180750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:102

約数の個数: 64

約数和(自身を含む): 4874688

約数和(自身を除く): 2693938

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 61, 65, 110, 122, 125, 130, 143, 250, 275, 286, 305, 325, 550, 610, 650, 671, 715, 793, 1342, 1375, 1430, 1525, 1586, 1625, 2750, 3050, 3250, 3355, 3575, 3965, 6710, 7150, 7625, 7930, 8723, 15250, 16775, 17446, 17875, 19825, 33550, 35750, 39650, 43615, 83875, 87230, 99125, 167750, 198250, 218075, 436150, 1090375, 2180750]

約数ペア:

[(1, 2180750), (2, 1090375), (5, 436150), (10, 218075), (11, 198250), (13, 167750), (22, 99125), (25, 87230), (26, 83875), (50, 43615), (55, 39650), (61, 35750), (65, 33550), (110, 19825), (122, 17875), (125, 17446), (130, 16775), (143, 15250), (250, 8723), (275, 7930), (286, 7625), (305, 7150), (325, 6710), (550, 3965), (610, 3575), (650, 3355), (671, 3250), (715, 3050), (793, 2750), (1342, 1625), (1375, 1586), (1430, 1525)]