816882920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{431}}^1\times {\mathrm{967}}^1$

素因数の和:1423

約数の個数: 96

約数和(自身を含む): 2145242880

約数和(自身を除く): 1328359960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 431, 490, 862, 967, 980, 1724, 1934, 1960, 2155, 3017, 3448, 3868, 4310, 4835, 6034, 6769, 7736, 8620, 9670, 12068, 13538, 15085, 17240, 19340, 21119, 24136, 27076, 30170, 33845, 38680, 42238, 47383, 54152, 60340, 67690, 84476, 94766, 105595, 120680, 135380, 168952, 189532, 211190, 236915, 270760, 379064, 416777, 422380, 473830, 833554, 844760, 947660, 1667108, 1895320, 2083885, 2917439, 3334216, 4167770, 5834878, 8335540, 11669756, 14587195, 16671080, 20422073, 23339512, 29174390, 40844146, 58348780, 81688292, 102110365, 116697560, 163376584, 204220730, 408441460, 816882920]

約数ペア:

[(1, 816882920), (2, 408441460), (4, 204220730), (5, 163376584), (7, 116697560), (8, 102110365), (10, 81688292), (14, 58348780), (20, 40844146), (28, 29174390), (35, 23339512), (40, 20422073), (49, 16671080), (56, 14587195), (70, 11669756), (98, 8335540), (140, 5834878), (196, 4167770), (245, 3334216), (280, 2917439), (392, 2083885), (431, 1895320), (490, 1667108), (862, 947660), (967, 844760), (980, 833554), (1724, 473830), (1934, 422380), (1960, 416777), (2155, 379064), (3017, 270760), (3448, 236915), (3868, 211190), (4310, 189532), (4835, 168952), (6034, 135380), (6769, 120680), (7736, 105595), (8620, 94766), (9670, 84476), (12068, 67690), (13538, 60340), (15085, 54152), (17240, 47383), (19340, 42238), (21119, 38680), (24136, 33845), (27076, 30170)]