996899420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1539

約数の個数: 96

約数和(自身を含む): 2370816000

約数和(自身を除く): 1373916580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 79, 82, 110, 158, 164, 205, 220, 316, 395, 410, 451, 790, 820, 869, 902, 1399, 1580, 1738, 1804, 2255, 2798, 3239, 3476, 4345, 4510, 5596, 6478, 6995, 8690, 9020, 12956, 13990, 15389, 16195, 17380, 27980, 30778, 32390, 35629, 57359, 61556, 64780, 71258, 76945, 110521, 114718, 142516, 153890, 178145, 221042, 229436, 286795, 307780, 356290, 442084, 552605, 573590, 630949, 712580, 1105210, 1147180, 1215731, 1261898, 2210420, 2431462, 2523796, 3154745, 4531361, 4862924, 6078655, 6309490, 9062722, 12157310, 12618980, 18125444, 22656805, 24314620, 45313610, 49844971, 90627220, 99689942, 199379884, 249224855, 498449710, 996899420]

約数ペア:

[(1, 996899420), (2, 498449710), (4, 249224855), (5, 199379884), (10, 99689942), (11, 90627220), (20, 49844971), (22, 45313610), (41, 24314620), (44, 22656805), (55, 18125444), (79, 12618980), (82, 12157310), (110, 9062722), (158, 6309490), (164, 6078655), (205, 4862924), (220, 4531361), (316, 3154745), (395, 2523796), (410, 2431462), (451, 2210420), (790, 1261898), (820, 1215731), (869, 1147180), (902, 1105210), (1399, 712580), (1580, 630949), (1738, 573590), (1804, 552605), (2255, 442084), (2798, 356290), (3239, 307780), (3476, 286795), (4345, 229436), (4510, 221042), (5596, 178145), (6478, 153890), (6995, 142516), (8690, 114718), (9020, 110521), (12956, 76945), (13990, 71258), (15389, 64780), (16195, 61556), (17380, 57359), (27980, 35629), (30778, 32390)]