1994156920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{461}}^1\times {\mathrm{2207}}^1$

素因数の和:2693

約数の個数: 96

約数和(自身を含む): 5233092480

約数和(自身を除く): 3238935560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 461, 490, 922, 980, 1844, 1960, 2207, 2305, 3227, 3688, 4414, 4610, 6454, 8828, 9220, 11035, 12908, 15449, 16135, 17656, 18440, 22070, 22589, 25816, 30898, 32270, 44140, 45178, 61796, 64540, 77245, 88280, 90356, 108143, 112945, 123592, 129080, 154490, 180712, 216286, 225890, 308980, 432572, 451780, 540715, 617960, 865144, 903560, 1017427, 1081430, 2034854, 2162860, 4069708, 4325720, 5087135, 7121989, 8139416, 10174270, 14243978, 20348540, 28487956, 35609945, 40697080, 49853923, 56975912, 71219890, 99707846, 142439780, 199415692, 249269615, 284879560, 398831384, 498539230, 997078460, 1994156920]

約数ペア:

[(1, 1994156920), (2, 997078460), (4, 498539230), (5, 398831384), (7, 284879560), (8, 249269615), (10, 199415692), (14, 142439780), (20, 99707846), (28, 71219890), (35, 56975912), (40, 49853923), (49, 40697080), (56, 35609945), (70, 28487956), (98, 20348540), (140, 14243978), (196, 10174270), (245, 8139416), (280, 7121989), (392, 5087135), (461, 4325720), (490, 4069708), (922, 2162860), (980, 2034854), (1844, 1081430), (1960, 1017427), (2207, 903560), (2305, 865144), (3227, 617960), (3688, 540715), (4414, 451780), (4610, 432572), (6454, 308980), (8828, 225890), (9220, 216286), (11035, 180712), (12908, 154490), (15449, 129080), (16135, 123592), (17656, 112945), (18440, 108143), (22070, 90356), (22589, 88280), (25816, 77245), (30898, 64540), (32270, 61796), (44140, 45178)]