2938635640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{967}}^1$

素因数の和:1145

約数の個数: 128

約数和(自身を含む): 7244899200

約数和(自身を除く): 4306263560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 109, 136, 164, 170, 205, 218, 328, 340, 410, 436, 545, 680, 697, 820, 872, 967, 1090, 1394, 1640, 1853, 1934, 2180, 2788, 3485, 3706, 3868, 4360, 4469, 4835, 5576, 6970, 7412, 7736, 8938, 9265, 9670, 13940, 14824, 16439, 17876, 18530, 19340, 22345, 27880, 32878, 35752, 37060, 38680, 39647, 44690, 65756, 74120, 75973, 79294, 82195, 89380, 105403, 131512, 151946, 158588, 164390, 178760, 198235, 210806, 303892, 317176, 328780, 379865, 396470, 421612, 527015, 607784, 657560, 673999, 759730, 792940, 843224, 1054030, 1347998, 1519460, 1585880, 1791851, 2108060, 2695996, 3038920, 3369995, 3583702, 4216120, 4321523, 5391992, 6739990, 7167404, 8643046, 8959255, 13479980, 14334808, 17286092, 17918510, 21607615, 26959960, 34572184, 35837020, 43215230, 71674040, 73465891, 86430460, 146931782, 172860920, 293863564, 367329455, 587727128, 734658910, 1469317820, 2938635640]

約数ペア:

[(1, 2938635640), (2, 1469317820), (4, 734658910), (5, 587727128), (8, 367329455), (10, 293863564), (17, 172860920), (20, 146931782), (34, 86430460), (40, 73465891), (41, 71674040), (68, 43215230), (82, 35837020), (85, 34572184), (109, 26959960), (136, 21607615), (164, 17918510), (170, 17286092), (205, 14334808), (218, 13479980), (328, 8959255), (340, 8643046), (410, 7167404), (436, 6739990), (545, 5391992), (680, 4321523), (697, 4216120), (820, 3583702), (872, 3369995), (967, 3038920), (1090, 2695996), (1394, 2108060), (1640, 1791851), (1853, 1585880), (1934, 1519460), (2180, 1347998), (2788, 1054030), (3485, 843224), (3706, 792940), (3868, 759730), (4360, 673999), (4469, 657560), (4835, 607784), (5576, 527015), (6970, 421612), (7412, 396470), (7736, 379865), (8938, 328780), (9265, 317176), (9670, 303892), (13940, 210806), (14824, 198235), (16439, 178760), (17876, 164390), (18530, 158588), (19340, 151946), (22345, 131512), (27880, 105403), (32878, 89380), (35752, 82195), (37060, 79294), (38680, 75973), (39647, 74120), (44690, 65756)]