123398600

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1591

約数の個数: 96

約数和(自身を含む): 319146240

約数和(自身を除く): 195747640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 62, 65, 100, 104, 124, 130, 155, 200, 248, 260, 310, 325, 403, 520, 620, 650, 775, 806, 1240, 1300, 1531, 1550, 1612, 2015, 2600, 3062, 3100, 3224, 4030, 6124, 6200, 7655, 8060, 10075, 12248, 15310, 16120, 19903, 20150, 30620, 38275, 39806, 40300, 47461, 61240, 76550, 79612, 80600, 94922, 99515, 153100, 159224, 189844, 199030, 237305, 306200, 379688, 398060, 474610, 497575, 616993, 796120, 949220, 995150, 1186525, 1233986, 1898440, 1990300, 2373050, 2467972, 3084965, 3980600, 4746100, 4935944, 6169930, 9492200, 12339860, 15424825, 24679720, 30849650, 61699300, 123398600]

約数ペア:

[(1, 123398600), (2, 61699300), (4, 30849650), (5, 24679720), (8, 15424825), (10, 12339860), (13, 9492200), (20, 6169930), (25, 4935944), (26, 4746100), (31, 3980600), (40, 3084965), (50, 2467972), (52, 2373050), (62, 1990300), (65, 1898440), (100, 1233986), (104, 1186525), (124, 995150), (130, 949220), (155, 796120), (200, 616993), (248, 497575), (260, 474610), (310, 398060), (325, 379688), (403, 306200), (520, 237305), (620, 199030), (650, 189844), (775, 159224), (806, 153100), (1240, 99515), (1300, 94922), (1531, 80600), (1550, 79612), (1612, 76550), (2015, 61240), (2600, 47461), (3062, 40300), (3100, 39806), (3224, 38275), (4030, 30620), (6124, 20150), (6200, 19903), (7655, 16120), (8060, 15310), (10075, 12248)]