227789240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 646133760

約数和(自身を除く): 418344520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 31, 35, 40, 46, 49, 56, 62, 70, 92, 98, 115, 124, 140, 155, 161, 163, 184, 196, 217, 230, 245, 248, 280, 310, 322, 326, 392, 434, 460, 490, 620, 644, 652, 713, 805, 815, 868, 920, 980, 1085, 1127, 1141, 1240, 1288, 1304, 1426, 1519, 1610, 1630, 1736, 1960, 2170, 2254, 2282, 2852, 3038, 3220, 3260, 3565, 3749, 4340, 4508, 4564, 4991, 5053, 5635, 5704, 5705, 6076, 6440, 6520, 7130, 7498, 7595, 7987, 8680, 9016, 9128, 9982, 10106, 11270, 11410, 12152, 14260, 14996, 15190, 15974, 18745, 19964, 20212, 22540, 22820, 24955, 25265, 26243, 28520, 29992, 30380, 31948, 34937, 35371, 37490, 39928, 39935, 40424, 45080, 45640, 49910, 50530, 52486, 60760, 63896, 69874, 70742, 74980, 79870, 99820, 101060, 104972, 116219, 131215, 139748, 141484, 149960, 159740, 174685, 176855, 183701, 199640, 202120, 209944, 232438, 247597, 262430, 279496, 282968, 319480, 349370, 353710, 367402, 464876, 495194, 524860, 581095, 698740, 707420, 734804, 813533, 918505, 929752, 990388, 1049720, 1162190, 1237985, 1397480, 1414840, 1469608, 1627066, 1837010, 1980776, 2324380, 2475970, 3254132, 3674020, 4067665, 4648760, 4951940, 5694731, 6508264, 7348040, 8135330, 9903880, 11389462, 16270660, 22778924, 28473655, 32541320, 45557848, 56947310, 113894620, 227789240]

約数ペア:

[(1, 227789240), (2, 113894620), (4, 56947310), (5, 45557848), (7, 32541320), (8, 28473655), (10, 22778924), (14, 16270660), (20, 11389462), (23, 9903880), (28, 8135330), (31, 7348040), (35, 6508264), (40, 5694731), (46, 4951940), (49, 4648760), (56, 4067665), (62, 3674020), (70, 3254132), (92, 2475970), (98, 2324380), (115, 1980776), (124, 1837010), (140, 1627066), (155, 1469608), (161, 1414840), (163, 1397480), (184, 1237985), (196, 1162190), (217, 1049720), (230, 990388), (245, 929752), (248, 918505), (280, 813533), (310, 734804), (322, 707420), (326, 698740), (392, 581095), (434, 524860), (460, 495194), (490, 464876), (620, 367402), (644, 353710), (652, 349370), (713, 319480), (805, 282968), (815, 279496), (868, 262430), (920, 247597), (980, 232438), (1085, 209944), (1127, 202120), (1141, 199640), (1240, 183701), (1288, 176855), (1304, 174685), (1426, 159740), (1519, 149960), (1610, 141484), (1630, 139748), (1736, 131215), (1960, 116219), (2170, 104972), (2254, 101060), (2282, 99820), (2852, 79870), (3038, 74980), (3220, 70742), (3260, 69874), (3565, 63896), (3749, 60760), (4340, 52486), (4508, 50530), (4564, 49910), (4991, 45640), (5053, 45080), (5635, 40424), (5704, 39935), (5705, 39928), (6076, 37490), (6440, 35371), (6520, 34937), (7130, 31948), (7498, 30380), (7595, 29992), (7987, 28520), (8680, 26243), (9016, 25265), (9128, 24955), (9982, 22820), (10106, 22540), (11270, 20212), (11410, 19964), (12152, 18745), (14260, 15974), (14996, 15190)]