3918840880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{1987}}^1$

素因数の和:2366

約数の個数: 80

約数和(自身を含む): 9251595360

約数和(自身を除く): 5332754480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 277, 356, 445, 554, 712, 890, 1108, 1385, 1424, 1780, 1987, 2216, 2770, 3560, 3974, 4432, 5540, 7120, 7948, 9935, 11080, 15896, 19870, 22160, 24653, 31792, 39740, 49306, 79480, 98612, 123265, 158960, 176843, 197224, 246530, 353686, 394448, 493060, 550399, 707372, 884215, 986120, 1100798, 1414744, 1768430, 1972240, 2201596, 2751995, 2829488, 3536860, 4403192, 5503990, 7073720, 8806384, 11007980, 14147440, 22015960, 44031920, 48985511, 97971022, 195942044, 244927555, 391884088, 489855110, 783768176, 979710220, 1959420440, 3918840880]

約数ペア:

[(1, 3918840880), (2, 1959420440), (4, 979710220), (5, 783768176), (8, 489855110), (10, 391884088), (16, 244927555), (20, 195942044), (40, 97971022), (80, 48985511), (89, 44031920), (178, 22015960), (277, 14147440), (356, 11007980), (445, 8806384), (554, 7073720), (712, 5503990), (890, 4403192), (1108, 3536860), (1385, 2829488), (1424, 2751995), (1780, 2201596), (1987, 1972240), (2216, 1768430), (2770, 1414744), (3560, 1100798), (3974, 986120), (4432, 884215), (5540, 707372), (7120, 550399), (7948, 493060), (9935, 394448), (11080, 353686), (15896, 246530), (19870, 197224), (22160, 176843), (24653, 158960), (31792, 123265), (39740, 98612), (49306, 79480)]