251819260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1619}}^1$

素因数の和:1747

約数の個数: 96

約数和(自身を含む): 666247680

約数和(自身を除く): 414428420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 101, 110, 140, 154, 202, 220, 308, 385, 404, 505, 707, 770, 1010, 1111, 1414, 1540, 1619, 2020, 2222, 2828, 3238, 3535, 4444, 5555, 6476, 7070, 7777, 8095, 11110, 11333, 14140, 15554, 16190, 17809, 22220, 22666, 31108, 32380, 35618, 38885, 45332, 56665, 71236, 77770, 89045, 113330, 124663, 155540, 163519, 178090, 226660, 249326, 327038, 356180, 498652, 623315, 654076, 817595, 1144633, 1246630, 1635190, 1798709, 2289266, 2493260, 3270380, 3597418, 4578532, 5723165, 7194836, 8993545, 11446330, 12590963, 17987090, 22892660, 25181926, 35974180, 50363852, 62954815, 125909630, 251819260]

約数ペア:

[(1, 251819260), (2, 125909630), (4, 62954815), (5, 50363852), (7, 35974180), (10, 25181926), (11, 22892660), (14, 17987090), (20, 12590963), (22, 11446330), (28, 8993545), (35, 7194836), (44, 5723165), (55, 4578532), (70, 3597418), (77, 3270380), (101, 2493260), (110, 2289266), (140, 1798709), (154, 1635190), (202, 1246630), (220, 1144633), (308, 817595), (385, 654076), (404, 623315), (505, 498652), (707, 356180), (770, 327038), (1010, 249326), (1111, 226660), (1414, 178090), (1540, 163519), (1619, 155540), (2020, 124663), (2222, 113330), (2828, 89045), (3238, 77770), (3535, 71236), (4444, 56665), (5555, 45332), (6476, 38885), (7070, 35618), (7777, 32380), (8095, 31108), (11110, 22666), (11333, 22220), (14140, 17809), (15554, 16190)]