12826900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 30171680

約数和(自身を除く): 17344780

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 43, 50, 76, 86, 95, 100, 157, 172, 190, 215, 314, 380, 430, 475, 628, 785, 817, 860, 950, 1075, 1570, 1634, 1900, 2150, 2983, 3140, 3268, 3925, 4085, 4300, 5966, 6751, 7850, 8170, 11932, 13502, 14915, 15700, 16340, 20425, 27004, 29830, 33755, 40850, 59660, 67510, 74575, 81700, 128269, 135020, 149150, 168775, 256538, 298300, 337550, 513076, 641345, 675100, 1282690, 2565380, 3206725, 6413450, 12826900]

約数ペア:

[(1, 12826900), (2, 6413450), (4, 3206725), (5, 2565380), (10, 1282690), (19, 675100), (20, 641345), (25, 513076), (38, 337550), (43, 298300), (50, 256538), (76, 168775), (86, 149150), (95, 135020), (100, 128269), (157, 81700), (172, 74575), (190, 67510), (215, 59660), (314, 40850), (380, 33755), (430, 29830), (475, 27004), (628, 20425), (785, 16340), (817, 15700), (860, 14915), (950, 13502), (1075, 11932), (1570, 8170), (1634, 7850), (1900, 6751), (2150, 5966), (2983, 4300), (3140, 4085), (3268, 3925)]