1949207080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^2\times {\mathrm{281}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 4706822520

約数和(自身を除く): 2757615440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 281, 340, 404, 505, 562, 680, 808, 1010, 1124, 1405, 1717, 2020, 2248, 2810, 3434, 4040, 4777, 5620, 6868, 8585, 9554, 10201, 11240, 13736, 17170, 19108, 20402, 23885, 28381, 34340, 38216, 40804, 47770, 51005, 56762, 68680, 81608, 95540, 102010, 113524, 141905, 173417, 191080, 204020, 227048, 283810, 346834, 408040, 482477, 567620, 693668, 867085, 964954, 1135240, 1387336, 1734170, 1929908, 2412385, 2866481, 3468340, 3859816, 4824770, 5732962, 6936680, 9649540, 11465924, 14332405, 19299080, 22931848, 28664810, 48730177, 57329620, 97460354, 114659240, 194920708, 243650885, 389841416, 487301770, 974603540, 1949207080]

約数ペア:

[(1, 1949207080), (2, 974603540), (4, 487301770), (5, 389841416), (8, 243650885), (10, 194920708), (17, 114659240), (20, 97460354), (34, 57329620), (40, 48730177), (68, 28664810), (85, 22931848), (101, 19299080), (136, 14332405), (170, 11465924), (202, 9649540), (281, 6936680), (340, 5732962), (404, 4824770), (505, 3859816), (562, 3468340), (680, 2866481), (808, 2412385), (1010, 1929908), (1124, 1734170), (1405, 1387336), (1717, 1135240), (2020, 964954), (2248, 867085), (2810, 693668), (3434, 567620), (4040, 482477), (4777, 408040), (5620, 346834), (6868, 283810), (8585, 227048), (9554, 204020), (10201, 191080), (11240, 173417), (13736, 141905), (17170, 113524), (19108, 102010), (20402, 95540), (23885, 81608), (28381, 68680), (34340, 56762), (38216, 51005), (40804, 47770)]