3981990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 64

約数和(自身を含む): 10368000

約数和(自身を除く): 6386010

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 29, 30, 46, 58, 69, 87, 115, 138, 145, 174, 199, 230, 290, 345, 398, 435, 597, 667, 690, 870, 995, 1194, 1334, 1990, 2001, 2985, 3335, 4002, 4577, 5771, 5970, 6670, 9154, 10005, 11542, 13731, 17313, 20010, 22885, 27462, 28855, 34626, 45770, 57710, 68655, 86565, 132733, 137310, 173130, 265466, 398199, 663665, 796398, 1327330, 1990995, 3981990]

約数ペア:

[(1, 3981990), (2, 1990995), (3, 1327330), (5, 796398), (6, 663665), (10, 398199), (15, 265466), (23, 173130), (29, 137310), (30, 132733), (46, 86565), (58, 68655), (69, 57710), (87, 45770), (115, 34626), (138, 28855), (145, 27462), (174, 22885), (199, 20010), (230, 17313), (290, 13731), (345, 11542), (398, 10005), (435, 9154), (597, 6670), (667, 5970), (690, 5771), (870, 4577), (995, 4002), (1194, 3335), (1334, 2985), (1990, 2001)]