1938897790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2089

約数の個数: 64

約数和(自身を含む): 3739115520

約数和(自身を除く): 1800217730

約数列:

[1, 2, 5, 10, 31, 41, 62, 79, 82, 155, 158, 205, 310, 395, 410, 790, 1271, 1931, 2449, 2542, 3239, 3862, 4898, 6355, 6478, 9655, 12245, 12710, 16195, 19310, 24490, 32390, 59861, 79171, 100409, 119722, 152549, 158342, 200818, 299305, 305098, 395855, 502045, 598610, 762745, 791710, 1004090, 1525490, 2454301, 4729019, 4908602, 6254509, 9458038, 12271505, 12509018, 23645095, 24543010, 31272545, 47290190, 62545090, 193889779, 387779558, 969448895, 1938897790]

約数ペア:

[(1, 1938897790), (2, 969448895), (5, 387779558), (10, 193889779), (31, 62545090), (41, 47290190), (62, 31272545), (79, 24543010), (82, 23645095), (155, 12509018), (158, 12271505), (205, 9458038), (310, 6254509), (395, 4908602), (410, 4729019), (790, 2454301), (1271, 1525490), (1931, 1004090), (2449, 791710), (2542, 762745), (3239, 598610), (3862, 502045), (4898, 395855), (6355, 305098), (6478, 299305), (9655, 200818), (12245, 158342), (12710, 152549), (16195, 119722), (19310, 100409), (24490, 79171), (32390, 59861)]