229675420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{2447}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 548420544

約数和(自身を除く): 318745124

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 361, 380, 494, 722, 988, 1235, 1444, 1805, 2447, 2470, 3610, 4693, 4894, 4940, 7220, 9386, 9788, 12235, 18772, 23465, 24470, 31811, 46493, 46930, 48940, 63622, 92986, 93860, 127244, 159055, 185972, 232465, 318110, 464930, 604409, 636220, 883367, 929860, 1208818, 1766734, 2417636, 3022045, 3533468, 4416835, 6044090, 8833670, 11483771, 12088180, 17667340, 22967542, 45935084, 57418855, 114837710, 229675420]

約数ペア:

[(1, 229675420), (2, 114837710), (4, 57418855), (5, 45935084), (10, 22967542), (13, 17667340), (19, 12088180), (20, 11483771), (26, 8833670), (38, 6044090), (52, 4416835), (65, 3533468), (76, 3022045), (95, 2417636), (130, 1766734), (190, 1208818), (247, 929860), (260, 883367), (361, 636220), (380, 604409), (494, 464930), (722, 318110), (988, 232465), (1235, 185972), (1444, 159055), (1805, 127244), (2447, 93860), (2470, 92986), (3610, 63622), (4693, 48940), (4894, 46930), (4940, 46493), (7220, 31811), (9386, 24470), (9788, 23465), (12235, 18772)]