202418920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{883}}^1$

素因数の和:1426

約数の個数: 64

約数和(自身を含む): 498363840

約数和(自身を除く): 295944920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 521, 883, 1042, 1766, 2084, 2605, 3532, 4168, 4415, 5210, 5731, 7064, 8830, 9713, 10420, 11462, 17660, 19426, 20840, 22924, 28655, 35320, 38852, 45848, 48565, 57310, 77704, 97130, 114620, 194260, 229240, 388520, 460043, 920086, 1840172, 2300215, 3680344, 4600430, 5060473, 9200860, 10120946, 18401720, 20241892, 25302365, 40483784, 50604730, 101209460, 202418920]

約数ペア:

[(1, 202418920), (2, 101209460), (4, 50604730), (5, 40483784), (8, 25302365), (10, 20241892), (11, 18401720), (20, 10120946), (22, 9200860), (40, 5060473), (44, 4600430), (55, 3680344), (88, 2300215), (110, 1840172), (220, 920086), (440, 460043), (521, 388520), (883, 229240), (1042, 194260), (1766, 114620), (2084, 97130), (2605, 77704), (3532, 57310), (4168, 48565), (4415, 45848), (5210, 38852), (5731, 35320), (7064, 28655), (8830, 22924), (9713, 20840), (10420, 19426), (11462, 17660)]