31929127220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1\times {\mathrm{2617}}^1$

素因数の和:3073

約数の個数: 96

約数和(自身を含む): 71550568320

約数和(自身を除く): 39621441100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 97, 190, 194, 331, 380, 388, 485, 662, 970, 1324, 1655, 1843, 1940, 2617, 3310, 3686, 5234, 6289, 6620, 7372, 9215, 10468, 12578, 13085, 18430, 25156, 26170, 31445, 32107, 36860, 49723, 52340, 62890, 64214, 99446, 125780, 128428, 160535, 198892, 248615, 253849, 321070, 497230, 507698, 610033, 642140, 866227, 994460, 1015396, 1220066, 1269245, 1732454, 2440132, 2538490, 3050165, 3464908, 4331135, 4823131, 5076980, 6100330, 8662270, 9646262, 12200660, 16458313, 17324540, 19292524, 24115655, 32916626, 48231310, 65833252, 82291565, 84024019, 96462620, 164583130, 168048038, 329166260, 336096076, 420120095, 840240190, 1596456361, 1680480380, 3192912722, 6385825444, 7982281805, 15964563610, 31929127220]

約数ペア:

[(1, 31929127220), (2, 15964563610), (4, 7982281805), (5, 6385825444), (10, 3192912722), (19, 1680480380), (20, 1596456361), (38, 840240190), (76, 420120095), (95, 336096076), (97, 329166260), (190, 168048038), (194, 164583130), (331, 96462620), (380, 84024019), (388, 82291565), (485, 65833252), (662, 48231310), (970, 32916626), (1324, 24115655), (1655, 19292524), (1843, 17324540), (1940, 16458313), (2617, 12200660), (3310, 9646262), (3686, 8662270), (5234, 6100330), (6289, 5076980), (6620, 4823131), (7372, 4331135), (9215, 3464908), (10468, 3050165), (12578, 2538490), (13085, 2440132), (18430, 1732454), (25156, 1269245), (26170, 1220066), (31445, 1015396), (32107, 994460), (36860, 866227), (49723, 642140), (52340, 610033), (62890, 507698), (64214, 497230), (99446, 321070), (125780, 253849), (128428, 248615), (160535, 198892)]