198926420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11743}}^1$

素因数の和:11781

約数の個数: 72

約数和(自身を含む): 524815872

約数和(自身を除く): 325889452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 8470, 11743, 16940, 23486, 46972, 58715, 82201, 117430, 129173, 164402, 234860, 258346, 328804, 411005, 516692, 645865, 822010, 904211, 1291730, 1420903, 1644020, 1808422, 2583460, 2841806, 3616844, 4521055, 5683612, 7104515, 9042110, 9946321, 14209030, 18084220, 19892642, 28418060, 39785284, 49731605, 99463210, 198926420]

約数ペア:

[(1, 198926420), (2, 99463210), (4, 49731605), (5, 39785284), (7, 28418060), (10, 19892642), (11, 18084220), (14, 14209030), (20, 9946321), (22, 9042110), (28, 7104515), (35, 5683612), (44, 4521055), (55, 3616844), (70, 2841806), (77, 2583460), (110, 1808422), (121, 1644020), (140, 1420903), (154, 1291730), (220, 904211), (242, 822010), (308, 645865), (385, 516692), (484, 411005), (605, 328804), (770, 258346), (847, 234860), (1210, 164402), (1540, 129173), (1694, 117430), (2420, 82201), (3388, 58715), (4235, 46972), (8470, 23486), (11743, 16940)]