202920025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{37}}^2$

素因数の和:120

約数の個数: 81

約数和(自身を含む): 330660477

約数和(自身を除く): 127740452

約数列:

[1, 5, 7, 11, 25, 35, 37, 49, 55, 77, 121, 175, 185, 245, 259, 275, 385, 407, 539, 605, 847, 925, 1225, 1295, 1369, 1813, 1925, 2035, 2695, 2849, 3025, 4235, 4477, 5929, 6475, 6845, 9065, 9583, 10175, 13475, 14245, 15059, 19943, 21175, 22385, 29645, 31339, 34225, 45325, 47915, 67081, 71225, 75295, 99715, 105413, 111925, 148225, 156695, 165649, 219373, 239575, 335405, 376475, 498575, 527065, 737891, 783475, 828245, 1096865, 1159543, 1677025, 2635325, 3689455, 4141225, 5484325, 5797715, 8116801, 18447275, 28988575, 40584005, 202920025]

約数ペア:

[(1, 202920025), (5, 40584005), (7, 28988575), (11, 18447275), (25, 8116801), (35, 5797715), (37, 5484325), (49, 4141225), (55, 3689455), (77, 2635325), (121, 1677025), (175, 1159543), (185, 1096865), (245, 828245), (259, 783475), (275, 737891), (385, 527065), (407, 498575), (539, 376475), (605, 335405), (847, 239575), (925, 219373), (1225, 165649), (1295, 156695), (1369, 148225), (1813, 111925), (1925, 105413), (2035, 99715), (2695, 75295), (2849, 71225), (3025, 67081), (4235, 47915), (4477, 45325), (5929, 34225), (6475, 31339), (6845, 29645), (9065, 22385), (9583, 21175), (10175, 19943), (13475, 15059)]