258492260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2533

約数の個数: 72

約数和(自身を含む): 607009536

約数和(自身を除く): 348517276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 169, 260, 310, 338, 403, 620, 676, 806, 845, 1612, 1690, 2015, 2467, 3380, 4030, 4934, 5239, 8060, 9868, 10478, 12335, 20956, 24670, 26195, 32071, 49340, 52390, 64142, 76477, 104780, 128284, 152954, 160355, 305908, 320710, 382385, 416923, 641420, 764770, 833846, 994201, 1529540, 1667692, 1988402, 2084615, 3976804, 4169230, 4971005, 8338460, 9942010, 12924613, 19884020, 25849226, 51698452, 64623065, 129246130, 258492260]

約数ペア:

[(1, 258492260), (2, 129246130), (4, 64623065), (5, 51698452), (10, 25849226), (13, 19884020), (20, 12924613), (26, 9942010), (31, 8338460), (52, 4971005), (62, 4169230), (65, 3976804), (124, 2084615), (130, 1988402), (155, 1667692), (169, 1529540), (260, 994201), (310, 833846), (338, 764770), (403, 641420), (620, 416923), (676, 382385), (806, 320710), (845, 305908), (1612, 160355), (1690, 152954), (2015, 128284), (2467, 104780), (3380, 76477), (4030, 64142), (4934, 52390), (5239, 49340), (8060, 32071), (9868, 26195), (10478, 24670), (12335, 20956)]