1219014940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{426229}}^1$

素因数の和:426262

約数の個数: 48

約数和(自身を含む): 3007478880

約数和(自身を除く): 1788463940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 426229, 852458, 1704916, 2131145, 4262290, 4688519, 5540977, 8524580, 9377038, 11081954, 18754076, 22163908, 23442595, 27704885, 46885190, 55409770, 60950747, 93770380, 110819540, 121901494, 243802988, 304753735, 609507470, 1219014940]

約数ペア:

[(1, 1219014940), (2, 609507470), (4, 304753735), (5, 243802988), (10, 121901494), (11, 110819540), (13, 93770380), (20, 60950747), (22, 55409770), (26, 46885190), (44, 27704885), (52, 23442595), (55, 22163908), (65, 18754076), (110, 11081954), (130, 9377038), (143, 8524580), (220, 5540977), (260, 4688519), (286, 4262290), (572, 2131145), (715, 1704916), (1430, 852458), (2860, 426229)]