69004420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{347}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 148615488

約数和(自身を除く): 79611068

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 163, 244, 305, 326, 347, 610, 652, 694, 815, 1220, 1388, 1630, 1735, 3260, 3470, 6940, 9943, 19886, 21167, 39772, 42334, 49715, 56561, 84668, 99430, 105835, 113122, 198860, 211670, 226244, 282805, 423340, 565610, 1131220, 3450221, 6900442, 13800884, 17251105, 34502210, 69004420]

約数ペア:

[(1, 69004420), (2, 34502210), (4, 17251105), (5, 13800884), (10, 6900442), (20, 3450221), (61, 1131220), (122, 565610), (163, 423340), (244, 282805), (305, 226244), (326, 211670), (347, 198860), (610, 113122), (652, 105835), (694, 99430), (815, 84668), (1220, 56561), (1388, 49715), (1630, 42334), (1735, 39772), (3260, 21167), (3470, 19886), (6940, 9943)]