2451518020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1783}}^1$

素因数の和:1890

約数の個数: 144

約数和(自身を含む): 6355093248

約数和(自身を除く): 3903575228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 61, 70, 92, 98, 115, 122, 140, 161, 196, 230, 244, 245, 305, 322, 427, 460, 490, 610, 644, 805, 854, 980, 1127, 1220, 1403, 1610, 1708, 1783, 2135, 2254, 2806, 2989, 3220, 3566, 4270, 4508, 5612, 5635, 5978, 7015, 7132, 8540, 8915, 9821, 11270, 11956, 12481, 14030, 14945, 17830, 19642, 22540, 24962, 28060, 29890, 35660, 39284, 41009, 49105, 49924, 59780, 62405, 68747, 82018, 87367, 98210, 108763, 124810, 137494, 164036, 174734, 196420, 205045, 217526, 249620, 274988, 287063, 343735, 349468, 410090, 435052, 436835, 543815, 574126, 687470, 761341, 820180, 873670, 1087630, 1148252, 1374940, 1435315, 1522682, 1747340, 2009441, 2175260, 2501549, 2870630, 3045364, 3806705, 4018882, 5003098, 5329387, 5741260, 7613410, 8037764, 10006196, 10047205, 10658774, 12507745, 15226820, 17510843, 20094410, 21317548, 25015490, 26646935, 35021686, 40188820, 50030980, 53293870, 70043372, 87554215, 106587740, 122575901, 175108430, 245151802, 350216860, 490303604, 612879505, 1225759010, 2451518020]

約数ペア:

[(1, 2451518020), (2, 1225759010), (4, 612879505), (5, 490303604), (7, 350216860), (10, 245151802), (14, 175108430), (20, 122575901), (23, 106587740), (28, 87554215), (35, 70043372), (46, 53293870), (49, 50030980), (61, 40188820), (70, 35021686), (92, 26646935), (98, 25015490), (115, 21317548), (122, 20094410), (140, 17510843), (161, 15226820), (196, 12507745), (230, 10658774), (244, 10047205), (245, 10006196), (305, 8037764), (322, 7613410), (427, 5741260), (460, 5329387), (490, 5003098), (610, 4018882), (644, 3806705), (805, 3045364), (854, 2870630), (980, 2501549), (1127, 2175260), (1220, 2009441), (1403, 1747340), (1610, 1522682), (1708, 1435315), (1783, 1374940), (2135, 1148252), (2254, 1087630), (2806, 873670), (2989, 820180), (3220, 761341), (3566, 687470), (4270, 574126), (4508, 543815), (5612, 436835), (5635, 435052), (5978, 410090), (7015, 349468), (7132, 343735), (8540, 287063), (8915, 274988), (9821, 249620), (11270, 217526), (11956, 205045), (12481, 196420), (14030, 174734), (14945, 164036), (17830, 137494), (19642, 124810), (22540, 108763), (24962, 98210), (28060, 87367), (29890, 82018), (35660, 68747), (39284, 62405), (41009, 59780), (49105, 49924)]