780977508740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{275549}}^1$

素因数の和:276573

約数の個数: 96

約数和(自身を含む): 1928726553600

約数和(自身を除く): 1147749044860

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 991, 1430, 1982, 2860, 3964, 4955, 9910, 10901, 12883, 19820, 21802, 25766, 43604, 51532, 54505, 64415, 109010, 128830, 141713, 218020, 257660, 275549, 283426, 551098, 566852, 708565, 1102196, 1377745, 1417130, 2755490, 2834260, 3031039, 3582137, 5510980, 6062078, 7164274, 12124156, 14328548, 15155195, 17910685, 30310390, 35821370, 39403507, 60620780, 71642740, 78807014, 157614028, 197017535, 273069059, 394035070, 546138118, 788070140, 1092276236, 1365345295, 2730690590, 3003759649, 3549897767, 5461381180, 6007519298, 7099795534, 12015038596, 14199591068, 15018798245, 17749488835, 30037596490, 35498977670, 39048875437, 60075192980, 70997955340, 78097750874, 156195501748, 195244377185, 390488754370, 780977508740]

約数ペア:

[(1, 780977508740), (2, 390488754370), (4, 195244377185), (5, 156195501748), (10, 78097750874), (11, 70997955340), (13, 60075192980), (20, 39048875437), (22, 35498977670), (26, 30037596490), (44, 17749488835), (52, 15018798245), (55, 14199591068), (65, 12015038596), (110, 7099795534), (130, 6007519298), (143, 5461381180), (220, 3549897767), (260, 3003759649), (286, 2730690590), (572, 1365345295), (715, 1092276236), (991, 788070140), (1430, 546138118), (1982, 394035070), (2860, 273069059), (3964, 197017535), (4955, 157614028), (9910, 78807014), (10901, 71642740), (12883, 60620780), (19820, 39403507), (21802, 35821370), (25766, 30310390), (43604, 17910685), (51532, 15155195), (54505, 14328548), (64415, 12124156), (109010, 7164274), (128830, 6062078), (141713, 5510980), (218020, 3582137), (257660, 3031039), (275549, 2834260), (283426, 2755490), (551098, 1417130), (566852, 1377745), (708565, 1102196)]