156938620220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{421}}^1\times {\mathrm{51631}}^1$

素因数の和:52099

約数の個数: 72

約数和(自身を含む): 348662841408

約数和(自身を除く): 191724221188

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 421, 722, 842, 1444, 1684, 1805, 2105, 3610, 4210, 7220, 7999, 8420, 15998, 31996, 39995, 51631, 79990, 103262, 151981, 159980, 206524, 258155, 303962, 516310, 607924, 759905, 980989, 1032620, 1519810, 1961978, 3039620, 3923956, 4904945, 9809890, 18638791, 19619780, 21736651, 37277582, 43473302, 74555164, 86946604, 93193955, 108683255, 186387910, 217366510, 372775820, 412996369, 434733020, 825992738, 1651985476, 2064981845, 4129963690, 7846931011, 8259927380, 15693862022, 31387724044, 39234655055, 78469310110, 156938620220]

約数ペア:

[(1, 156938620220), (2, 78469310110), (4, 39234655055), (5, 31387724044), (10, 15693862022), (19, 8259927380), (20, 7846931011), (38, 4129963690), (76, 2064981845), (95, 1651985476), (190, 825992738), (361, 434733020), (380, 412996369), (421, 372775820), (722, 217366510), (842, 186387910), (1444, 108683255), (1684, 93193955), (1805, 86946604), (2105, 74555164), (3610, 43473302), (4210, 37277582), (7220, 21736651), (7999, 19619780), (8420, 18638791), (15998, 9809890), (31996, 4904945), (39995, 3923956), (51631, 3039620), (79990, 1961978), (103262, 1519810), (151981, 1032620), (159980, 980989), (206524, 759905), (258155, 607924), (303962, 516310)]