2019609880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{13709}}^1$

素因数の和:13876

約数の個数: 64

約数和(自身を含む): 4738176000

約数和(自身を除く): 2718566120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 127, 145, 232, 254, 290, 508, 580, 635, 1016, 1160, 1270, 2540, 3683, 5080, 7366, 13709, 14732, 18415, 27418, 29464, 36830, 54836, 68545, 73660, 109672, 137090, 147320, 274180, 397561, 548360, 795122, 1590244, 1741043, 1987805, 3180488, 3482086, 3975610, 6964172, 7951220, 8705215, 13928344, 15902440, 17410430, 34820860, 50490247, 69641720, 100980494, 201960988, 252451235, 403921976, 504902470, 1009804940, 2019609880]

約数ペア:

[(1, 2019609880), (2, 1009804940), (4, 504902470), (5, 403921976), (8, 252451235), (10, 201960988), (20, 100980494), (29, 69641720), (40, 50490247), (58, 34820860), (116, 17410430), (127, 15902440), (145, 13928344), (232, 8705215), (254, 7951220), (290, 6964172), (508, 3975610), (580, 3482086), (635, 3180488), (1016, 1987805), (1160, 1741043), (1270, 1590244), (2540, 795122), (3683, 548360), (5080, 397561), (7366, 274180), (13709, 147320), (14732, 137090), (18415, 109672), (27418, 73660), (29464, 68545), (36830, 54836)]