381330280

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{3389}}^1$

素因数の和:3526

約数の個数: 64

約数和(自身を含む): 896994000

約数和(自身を除く): 515663720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 97, 116, 145, 194, 232, 290, 388, 485, 580, 776, 970, 1160, 1940, 2813, 3389, 3880, 5626, 6778, 11252, 13556, 14065, 16945, 22504, 27112, 28130, 33890, 56260, 67780, 98281, 112520, 135560, 196562, 328733, 393124, 491405, 657466, 786248, 982810, 1314932, 1643665, 1965620, 2629864, 3287330, 3931240, 6574660, 9533257, 13149320, 19066514, 38133028, 47666285, 76266056, 95332570, 190665140, 381330280]

約数ペア:

[(1, 381330280), (2, 190665140), (4, 95332570), (5, 76266056), (8, 47666285), (10, 38133028), (20, 19066514), (29, 13149320), (40, 9533257), (58, 6574660), (97, 3931240), (116, 3287330), (145, 2629864), (194, 1965620), (232, 1643665), (290, 1314932), (388, 982810), (485, 786248), (580, 657466), (776, 491405), (970, 393124), (1160, 328733), (1940, 196562), (2813, 135560), (3389, 112520), (3880, 98281), (5626, 67780), (6778, 56260), (11252, 33890), (13556, 28130), (14065, 27112), (16945, 22504)]