1900861300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:998

約数の個数: 108

約数和(自身を含む): 4504656996

約数和(自身を除く): 2603795696

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 169, 260, 274, 325, 338, 548, 650, 676, 685, 821, 845, 1300, 1370, 1642, 1690, 1781, 2740, 3284, 3380, 3425, 3562, 4105, 4225, 6850, 7124, 8210, 8450, 8905, 10673, 13700, 16420, 16900, 17810, 20525, 21346, 23153, 35620, 41050, 42692, 44525, 46306, 53365, 82100, 89050, 92612, 106730, 112477, 115765, 138749, 178100, 213460, 224954, 231530, 266825, 277498, 449908, 463060, 533650, 554996, 562385, 578825, 693745, 1067300, 1124770, 1157650, 1387490, 1462201, 2249540, 2315300, 2774980, 2811925, 2924402, 3468725, 5623850, 5848804, 6937450, 7311005, 11247700, 13874900, 14622010, 19008613, 29244020, 36555025, 38017226, 73110050, 76034452, 95043065, 146220100, 190086130, 380172260, 475215325, 950430650, 1900861300]

約数ペア:

[(1, 1900861300), (2, 950430650), (4, 475215325), (5, 380172260), (10, 190086130), (13, 146220100), (20, 95043065), (25, 76034452), (26, 73110050), (50, 38017226), (52, 36555025), (65, 29244020), (100, 19008613), (130, 14622010), (137, 13874900), (169, 11247700), (260, 7311005), (274, 6937450), (325, 5848804), (338, 5623850), (548, 3468725), (650, 2924402), (676, 2811925), (685, 2774980), (821, 2315300), (845, 2249540), (1300, 1462201), (1370, 1387490), (1642, 1157650), (1690, 1124770), (1781, 1067300), (2740, 693745), (3284, 578825), (3380, 562385), (3425, 554996), (3562, 533650), (4105, 463060), (4225, 449908), (6850, 277498), (7124, 266825), (8210, 231530), (8450, 224954), (8905, 213460), (10673, 178100), (13700, 138749), (16420, 115765), (16900, 112477), (17810, 106730), (20525, 92612), (21346, 89050), (23153, 82100), (35620, 53365), (41050, 46306), (42692, 44525)]