25439220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 82188288

約数和(自身を除く): 56749068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 47, 60, 62, 90, 93, 94, 97, 124, 141, 155, 180, 186, 188, 194, 235, 279, 282, 291, 310, 372, 388, 423, 465, 470, 485, 558, 564, 582, 620, 705, 846, 873, 930, 940, 970, 1116, 1164, 1395, 1410, 1455, 1457, 1692, 1746, 1860, 1940, 2115, 2790, 2820, 2910, 2914, 3007, 3492, 4230, 4365, 4371, 4559, 5580, 5820, 5828, 6014, 7285, 8460, 8730, 8742, 9021, 9118, 12028, 13113, 13677, 14570, 15035, 17460, 17484, 18042, 18236, 21855, 22795, 26226, 27063, 27354, 29140, 30070, 36084, 41031, 43710, 45105, 45590, 52452, 54126, 54708, 60140, 65565, 68385, 82062, 87420, 90210, 91180, 108252, 131130, 135315, 136770, 141329, 164124, 180420, 205155, 262260, 270630, 273540, 282658, 410310, 423987, 541260, 565316, 706645, 820620, 847974, 1271961, 1413290, 1695948, 2119935, 2543922, 2826580, 4239870, 5087844, 6359805, 8479740, 12719610, 25439220]

約数ペア:

[(1, 25439220), (2, 12719610), (3, 8479740), (4, 6359805), (5, 5087844), (6, 4239870), (9, 2826580), (10, 2543922), (12, 2119935), (15, 1695948), (18, 1413290), (20, 1271961), (30, 847974), (31, 820620), (36, 706645), (45, 565316), (47, 541260), (60, 423987), (62, 410310), (90, 282658), (93, 273540), (94, 270630), (97, 262260), (124, 205155), (141, 180420), (155, 164124), (180, 141329), (186, 136770), (188, 135315), (194, 131130), (235, 108252), (279, 91180), (282, 90210), (291, 87420), (310, 82062), (372, 68385), (388, 65565), (423, 60140), (465, 54708), (470, 54126), (485, 52452), (558, 45590), (564, 45105), (582, 43710), (620, 41031), (705, 36084), (846, 30070), (873, 29140), (930, 27354), (940, 27063), (970, 26226), (1116, 22795), (1164, 21855), (1395, 18236), (1410, 18042), (1455, 17484), (1457, 17460), (1692, 15035), (1746, 14570), (1860, 13677), (1940, 13113), (2115, 12028), (2790, 9118), (2820, 9021), (2910, 8742), (2914, 8730), (3007, 8460), (3492, 7285), (4230, 6014), (4365, 5828), (4371, 5820), (4559, 5580)]