395787470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:585

約数の個数: 64

約数和(自身を含む): 789820416

約数和(自身を除く): 394032946

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 211, 235, 307, 422, 470, 611, 614, 1055, 1222, 1535, 2110, 2743, 3055, 3070, 3991, 5486, 6110, 7982, 9917, 13715, 14429, 19834, 19955, 27430, 28858, 39910, 49585, 64777, 72145, 99170, 128921, 129554, 144290, 187577, 257842, 323885, 375154, 644605, 647770, 842101, 937885, 1289210, 1684202, 1875770, 3044519, 4210505, 6089038, 8421010, 15222595, 30445190, 39578747, 79157494, 197893735, 395787470]

約数ペア:

[(1, 395787470), (2, 197893735), (5, 79157494), (10, 39578747), (13, 30445190), (26, 15222595), (47, 8421010), (65, 6089038), (94, 4210505), (130, 3044519), (211, 1875770), (235, 1684202), (307, 1289210), (422, 937885), (470, 842101), (611, 647770), (614, 644605), (1055, 375154), (1222, 323885), (1535, 257842), (2110, 187577), (2743, 144290), (3055, 129554), (3070, 128921), (3991, 99170), (5486, 72145), (6110, 64777), (7982, 49585), (9917, 39910), (13715, 28858), (14429, 27430), (19834, 19955)]