865359940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{829}}^1$

素因数の和:965

約数の個数: 96

約数和(自身を含む): 1991203200

約数和(自身を除く): 1125843260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 67, 76, 82, 95, 134, 164, 190, 205, 268, 335, 380, 410, 670, 779, 820, 829, 1273, 1340, 1558, 1658, 2546, 2747, 3116, 3316, 3895, 4145, 5092, 5494, 6365, 7790, 8290, 10988, 12730, 13735, 15580, 15751, 16580, 25460, 27470, 31502, 33989, 52193, 54940, 55543, 63004, 67978, 78755, 104386, 111086, 135956, 157510, 169945, 208772, 222172, 260965, 277715, 315020, 339890, 521930, 555430, 645791, 679780, 1043860, 1055317, 1110860, 1291582, 2110634, 2277263, 2583164, 3228955, 4221268, 4554526, 5276585, 6457910, 9109052, 10553170, 11386315, 12915820, 21106340, 22772630, 43267997, 45545260, 86535994, 173071988, 216339985, 432679970, 865359940]

約数ペア:

[(1, 865359940), (2, 432679970), (4, 216339985), (5, 173071988), (10, 86535994), (19, 45545260), (20, 43267997), (38, 22772630), (41, 21106340), (67, 12915820), (76, 11386315), (82, 10553170), (95, 9109052), (134, 6457910), (164, 5276585), (190, 4554526), (205, 4221268), (268, 3228955), (335, 2583164), (380, 2277263), (410, 2110634), (670, 1291582), (779, 1110860), (820, 1055317), (829, 1043860), (1273, 679780), (1340, 645791), (1558, 555430), (1658, 521930), (2546, 339890), (2747, 315020), (3116, 277715), (3316, 260965), (3895, 222172), (4145, 208772), (5092, 169945), (5494, 157510), (6365, 135956), (7790, 111086), (8290, 104386), (10988, 78755), (12730, 67978), (13735, 63004), (15580, 55543), (15751, 54940), (16580, 52193), (25460, 33989), (27470, 31502)]