499188040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 1262822400

約数和(自身を除く): 763634360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 173, 179, 248, 260, 310, 346, 358, 403, 520, 620, 692, 716, 806, 865, 895, 1240, 1384, 1432, 1612, 1730, 1790, 2015, 2249, 2327, 3224, 3460, 3580, 4030, 4498, 4654, 5363, 5549, 6920, 7160, 8060, 8996, 9308, 10726, 11098, 11245, 11635, 16120, 17992, 18616, 21452, 22196, 22490, 23270, 26815, 27745, 30967, 42904, 44392, 44980, 46540, 53630, 55490, 61934, 69719, 72137, 89960, 93080, 107260, 110980, 123868, 139438, 144274, 154835, 214520, 221960, 247736, 278876, 288548, 309670, 348595, 360685, 402571, 557752, 577096, 619340, 697190, 721370, 805142, 959977, 1238680, 1394380, 1442740, 1610284, 1919954, 2012855, 2788760, 2885480, 3220568, 3839908, 4025710, 4799885, 7679816, 8051420, 9599770, 12479701, 16102840, 19199540, 24959402, 38399080, 49918804, 62398505, 99837608, 124797010, 249594020, 499188040]

約数ペア:

[(1, 499188040), (2, 249594020), (4, 124797010), (5, 99837608), (8, 62398505), (10, 49918804), (13, 38399080), (20, 24959402), (26, 19199540), (31, 16102840), (40, 12479701), (52, 9599770), (62, 8051420), (65, 7679816), (104, 4799885), (124, 4025710), (130, 3839908), (155, 3220568), (173, 2885480), (179, 2788760), (248, 2012855), (260, 1919954), (310, 1610284), (346, 1442740), (358, 1394380), (403, 1238680), (520, 959977), (620, 805142), (692, 721370), (716, 697190), (806, 619340), (865, 577096), (895, 557752), (1240, 402571), (1384, 360685), (1432, 348595), (1612, 309670), (1730, 288548), (1790, 278876), (2015, 247736), (2249, 221960), (2327, 214520), (3224, 154835), (3460, 144274), (3580, 139438), (4030, 123868), (4498, 110980), (4654, 107260), (5363, 93080), (5549, 89960), (6920, 72137), (7160, 69719), (8060, 61934), (8996, 55490), (9308, 53630), (10726, 46540), (11098, 44980), (11245, 44392), (11635, 42904), (16120, 30967), (17992, 27745), (18616, 26815), (21452, 23270), (22196, 22490)]