201585890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:515

約数の個数: 64

約数和(自身を含む): 408240000

約数和(自身を除く): 206654110

約数列:

[1, 2, 5, 10, 11, 22, 55, 59, 89, 110, 118, 178, 295, 349, 445, 590, 649, 698, 890, 979, 1298, 1745, 1958, 3245, 3490, 3839, 4895, 5251, 6490, 7678, 9790, 10502, 19195, 20591, 26255, 31061, 38390, 41182, 52510, 57761, 62122, 102955, 115522, 155305, 205910, 226501, 288805, 310610, 341671, 453002, 577610, 683342, 1132505, 1708355, 1832599, 2265010, 3416710, 3665198, 9162995, 18325990, 20158589, 40317178, 100792945, 201585890]

約数ペア:

[(1, 201585890), (2, 100792945), (5, 40317178), (10, 20158589), (11, 18325990), (22, 9162995), (55, 3665198), (59, 3416710), (89, 2265010), (110, 1832599), (118, 1708355), (178, 1132505), (295, 683342), (349, 577610), (445, 453002), (590, 341671), (649, 310610), (698, 288805), (890, 226501), (979, 205910), (1298, 155305), (1745, 115522), (1958, 102955), (3245, 62122), (3490, 57761), (3839, 52510), (4895, 41182), (5251, 38390), (6490, 31061), (7678, 26255), (9790, 20591), (10502, 19195)]