873999940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 2129472576

約数和(自身を除く): 1255472636

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 43, 44, 55, 74, 86, 110, 121, 148, 172, 185, 215, 220, 227, 242, 370, 407, 430, 454, 473, 484, 605, 740, 814, 860, 908, 946, 1135, 1210, 1591, 1628, 1892, 2035, 2270, 2365, 2420, 2497, 3182, 4070, 4477, 4540, 4730, 4994, 5203, 6364, 7955, 8140, 8399, 8954, 9460, 9761, 9988, 10406, 12485, 15910, 16798, 17501, 17908, 19522, 20812, 22385, 24970, 26015, 27467, 31820, 33596, 35002, 39044, 41995, 44770, 48805, 49940, 52030, 54934, 70004, 83990, 87505, 89540, 92389, 97610, 104060, 107371, 109868, 137335, 167980, 175010, 184778, 192511, 195220, 214742, 274670, 350020, 361157, 369556, 385022, 429484, 461945, 536855, 549340, 722314, 770044, 923890, 962555, 1016279, 1073710, 1181081, 1444628, 1805785, 1847780, 1925110, 2032558, 2147420, 2362162, 3611570, 3850220, 3972727, 4065116, 4724324, 5081395, 5905405, 7223140, 7945454, 10162790, 11810810, 15890908, 19863635, 20325580, 23621620, 39727270, 43699997, 79454540, 87399994, 174799988, 218499985, 436999970, 873999940]

約数ペア:

[(1, 873999940), (2, 436999970), (4, 218499985), (5, 174799988), (10, 87399994), (11, 79454540), (20, 43699997), (22, 39727270), (37, 23621620), (43, 20325580), (44, 19863635), (55, 15890908), (74, 11810810), (86, 10162790), (110, 7945454), (121, 7223140), (148, 5905405), (172, 5081395), (185, 4724324), (215, 4065116), (220, 3972727), (227, 3850220), (242, 3611570), (370, 2362162), (407, 2147420), (430, 2032558), (454, 1925110), (473, 1847780), (484, 1805785), (605, 1444628), (740, 1181081), (814, 1073710), (860, 1016279), (908, 962555), (946, 923890), (1135, 770044), (1210, 722314), (1591, 549340), (1628, 536855), (1892, 461945), (2035, 429484), (2270, 385022), (2365, 369556), (2420, 361157), (2497, 350020), (3182, 274670), (4070, 214742), (4477, 195220), (4540, 192511), (4730, 184778), (4994, 175010), (5203, 167980), (6364, 137335), (7955, 109868), (8140, 107371), (8399, 104060), (8954, 97610), (9460, 92389), (9761, 89540), (9988, 87505), (10406, 83990), (12485, 70004), (15910, 54934), (16798, 52030), (17501, 49940), (17908, 48805), (19522, 44770), (20812, 41995), (22385, 39044), (24970, 35002), (26015, 33596), (27467, 31820)]