221698470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{19919}}^1$

素因数の和:19989

約数の個数: 64

約数和(自身を含む): 619591680

約数和(自身を除く): 397893210

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 53, 70, 105, 106, 159, 210, 265, 318, 371, 530, 742, 795, 1113, 1590, 1855, 2226, 3710, 5565, 11130, 19919, 39838, 59757, 99595, 119514, 139433, 199190, 278866, 298785, 418299, 597570, 697165, 836598, 1055707, 1394330, 2091495, 2111414, 3167121, 4182990, 5278535, 6334242, 7389949, 10557070, 14779898, 15835605, 22169847, 31671210, 36949745, 44339694, 73899490, 110849235, 221698470]

約数ペア:

[(1, 221698470), (2, 110849235), (3, 73899490), (5, 44339694), (6, 36949745), (7, 31671210), (10, 22169847), (14, 15835605), (15, 14779898), (21, 10557070), (30, 7389949), (35, 6334242), (42, 5278535), (53, 4182990), (70, 3167121), (105, 2111414), (106, 2091495), (159, 1394330), (210, 1055707), (265, 836598), (318, 697165), (371, 597570), (530, 418299), (742, 298785), (795, 278866), (1113, 199190), (1590, 139433), (1855, 119514), (2226, 99595), (3710, 59757), (5565, 39838), (11130, 19919)]