2108908040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{28607}}^1$

素因数の和:28734

約数の個数: 64

約数和(自身を含む): 5046451200

約数和(自身を除く): 2937543160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 3686, 3880, 7372, 9215, 14744, 18430, 28607, 36860, 57214, 73720, 114428, 143035, 228856, 286070, 543533, 572140, 1087066, 1144280, 2174132, 2717665, 2774879, 4348264, 5435330, 5549758, 10870660, 11099516, 13874395, 21741320, 22199032, 27748790, 52722701, 55497580, 105445402, 110995160, 210890804, 263613505, 421781608, 527227010, 1054454020, 2108908040]

約数ペア:

[(1, 2108908040), (2, 1054454020), (4, 527227010), (5, 421781608), (8, 263613505), (10, 210890804), (19, 110995160), (20, 105445402), (38, 55497580), (40, 52722701), (76, 27748790), (95, 22199032), (97, 21741320), (152, 13874395), (190, 11099516), (194, 10870660), (380, 5549758), (388, 5435330), (485, 4348264), (760, 2774879), (776, 2717665), (970, 2174132), (1843, 1144280), (1940, 1087066), (3686, 572140), (3880, 543533), (7372, 286070), (9215, 228856), (14744, 143035), (18430, 114428), (28607, 73720), (36860, 57214)]