11985990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 31104000

約数和(自身を除く): 19118010

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 230, 290, 345, 435, 599, 667, 690, 870, 1198, 1334, 1797, 2001, 2995, 3335, 3594, 4002, 5990, 6670, 8985, 10005, 13777, 17371, 17970, 20010, 27554, 34742, 41331, 52113, 68885, 82662, 86855, 104226, 137770, 173710, 206655, 260565, 399533, 413310, 521130, 799066, 1198599, 1997665, 2397198, 3995330, 5992995, 11985990]

約数ペア:

[(1, 11985990), (2, 5992995), (3, 3995330), (5, 2397198), (6, 1997665), (10, 1198599), (15, 799066), (23, 521130), (29, 413310), (30, 399533), (46, 260565), (58, 206655), (69, 173710), (87, 137770), (115, 104226), (138, 86855), (145, 82662), (174, 68885), (230, 52113), (290, 41331), (345, 34742), (435, 27554), (599, 20010), (667, 17970), (690, 17371), (870, 13777), (1198, 10005), (1334, 8985), (1797, 6670), (2001, 5990), (2995, 4002), (3335, 3594)]