19985087100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{85297}}^1$

素因数の和:85396

約数の個数: 144

約数和(自身を含む): 63969405696

約数和(自身を除く): 43984318596

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 71, 75, 100, 110, 132, 142, 150, 165, 213, 220, 275, 284, 300, 330, 355, 426, 550, 660, 710, 781, 825, 852, 1065, 1100, 1420, 1562, 1650, 1775, 2130, 2343, 3124, 3300, 3550, 3905, 4260, 4686, 5325, 7100, 7810, 9372, 10650, 11715, 15620, 19525, 21300, 23430, 39050, 46860, 58575, 78100, 85297, 117150, 170594, 234300, 255891, 341188, 426485, 511782, 852970, 938267, 1023564, 1279455, 1705940, 1876534, 2132425, 2558910, 2814801, 3753068, 4264850, 4691335, 5117820, 5629602, 6056087, 6397275, 8529700, 9382670, 11259204, 12112174, 12794550, 14074005, 18168261, 18765340, 23456675, 24224348, 25589100, 28148010, 30280435, 36336522, 46913350, 56296020, 60560870, 66616957, 70370025, 72673044, 90841305, 93826700, 121121740, 133233914, 140740050, 151402175, 181682610, 199850871, 266467828, 281480100, 302804350, 333084785, 363365220, 399701742, 454206525, 605608700, 666169570, 799403484, 908413050, 999254355, 1332339140, 1665423925, 1816826100, 1998508710, 3330847850, 3997017420, 4996271775, 6661695700, 9992543550, 19985087100]

約数ペア:

[(1, 19985087100), (2, 9992543550), (3, 6661695700), (4, 4996271775), (5, 3997017420), (6, 3330847850), (10, 1998508710), (11, 1816826100), (12, 1665423925), (15, 1332339140), (20, 999254355), (22, 908413050), (25, 799403484), (30, 666169570), (33, 605608700), (44, 454206525), (50, 399701742), (55, 363365220), (60, 333084785), (66, 302804350), (71, 281480100), (75, 266467828), (100, 199850871), (110, 181682610), (132, 151402175), (142, 140740050), (150, 133233914), (165, 121121740), (213, 93826700), (220, 90841305), (275, 72673044), (284, 70370025), (300, 66616957), (330, 60560870), (355, 56296020), (426, 46913350), (550, 36336522), (660, 30280435), (710, 28148010), (781, 25589100), (825, 24224348), (852, 23456675), (1065, 18765340), (1100, 18168261), (1420, 14074005), (1562, 12794550), (1650, 12112174), (1775, 11259204), (2130, 9382670), (2343, 8529700), (3124, 6397275), (3300, 6056087), (3550, 5629602), (3905, 5117820), (4260, 4691335), (4686, 4264850), (5325, 3753068), (7100, 2814801), (7810, 2558910), (9372, 2132425), (10650, 1876534), (11715, 1705940), (15620, 1279455), (19525, 1023564), (21300, 938267), (23430, 852970), (39050, 511782), (46860, 426485), (58575, 341188), (78100, 255891), (85297, 234300), (117150, 170594)]