23905420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 67592448

約数和(自身を除く): 43687028

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 43, 44, 55, 70, 76, 77, 86, 95, 110, 133, 140, 154, 172, 190, 209, 215, 220, 266, 301, 308, 361, 380, 385, 418, 430, 473, 532, 602, 665, 722, 770, 817, 836, 860, 946, 1045, 1204, 1330, 1444, 1463, 1505, 1540, 1634, 1805, 1892, 2090, 2365, 2527, 2660, 2926, 3010, 3268, 3311, 3610, 3971, 4085, 4180, 4730, 5054, 5719, 5852, 6020, 6622, 7220, 7315, 7942, 8170, 8987, 9460, 10108, 11438, 12635, 13244, 14630, 15523, 15884, 16340, 16555, 17974, 19855, 22876, 25270, 27797, 28595, 29260, 31046, 33110, 35948, 39710, 44935, 50540, 55594, 57190, 62092, 62909, 66220, 77615, 79420, 89870, 108661, 111188, 114380, 125818, 138985, 155230, 170753, 179740, 217322, 251636, 277970, 310460, 314545, 341506, 434644, 543305, 555940, 629090, 683012, 853765, 1086610, 1195271, 1258180, 1707530, 2173220, 2390542, 3415060, 4781084, 5976355, 11952710, 23905420]

約数ペア:

[(1, 23905420), (2, 11952710), (4, 5976355), (5, 4781084), (7, 3415060), (10, 2390542), (11, 2173220), (14, 1707530), (19, 1258180), (20, 1195271), (22, 1086610), (28, 853765), (35, 683012), (38, 629090), (43, 555940), (44, 543305), (55, 434644), (70, 341506), (76, 314545), (77, 310460), (86, 277970), (95, 251636), (110, 217322), (133, 179740), (140, 170753), (154, 155230), (172, 138985), (190, 125818), (209, 114380), (215, 111188), (220, 108661), (266, 89870), (301, 79420), (308, 77615), (361, 66220), (380, 62909), (385, 62092), (418, 57190), (430, 55594), (473, 50540), (532, 44935), (602, 39710), (665, 35948), (722, 33110), (770, 31046), (817, 29260), (836, 28595), (860, 27797), (946, 25270), (1045, 22876), (1204, 19855), (1330, 17974), (1444, 16555), (1463, 16340), (1505, 15884), (1540, 15523), (1634, 14630), (1805, 13244), (1892, 12635), (2090, 11438), (2365, 10108), (2527, 9460), (2660, 8987), (2926, 8170), (3010, 7942), (3268, 7315), (3311, 7220), (3610, 6622), (3971, 6020), (4085, 5852), (4180, 5719), (4730, 5054)]