205870340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 96

約数和(自身を含む): 503967744

約数和(自身を除く): 298097404

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 47, 52, 65, 68, 85, 94, 130, 170, 188, 221, 235, 260, 340, 442, 470, 611, 799, 884, 940, 991, 1105, 1222, 1598, 1982, 2210, 2444, 3055, 3196, 3964, 3995, 4420, 4955, 6110, 7990, 9910, 10387, 12220, 12883, 15980, 16847, 19820, 20774, 25766, 33694, 41548, 46577, 51532, 51935, 64415, 67388, 84235, 93154, 103870, 128830, 168470, 186308, 207740, 219011, 232885, 257660, 336940, 438022, 465770, 605501, 791809, 876044, 931540, 1095055, 1211002, 1583618, 2190110, 2422004, 3027505, 3167236, 3959045, 4380220, 6055010, 7918090, 10293517, 12110020, 15836180, 20587034, 41174068, 51467585, 102935170, 205870340]

約数ペア:

[(1, 205870340), (2, 102935170), (4, 51467585), (5, 41174068), (10, 20587034), (13, 15836180), (17, 12110020), (20, 10293517), (26, 7918090), (34, 6055010), (47, 4380220), (52, 3959045), (65, 3167236), (68, 3027505), (85, 2422004), (94, 2190110), (130, 1583618), (170, 1211002), (188, 1095055), (221, 931540), (235, 876044), (260, 791809), (340, 605501), (442, 465770), (470, 438022), (611, 336940), (799, 257660), (884, 232885), (940, 219011), (991, 207740), (1105, 186308), (1222, 168470), (1598, 128830), (1982, 103870), (2210, 93154), (2444, 84235), (3055, 67388), (3196, 64415), (3964, 51935), (3995, 51532), (4420, 46577), (4955, 41548), (6110, 33694), (7990, 25766), (9910, 20774), (10387, 19820), (12220, 16847), (12883, 15980)]