345710000

素因数分解:

$2^4\times 5^4\times {\mathrm{181}}^1\times {\mathrm{191}}^1$

素因数の和:400

約数の個数: 100

約数和(自身を含む): 846029184

約数和(自身を除く): 500319184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 181, 191, 200, 250, 362, 382, 400, 500, 625, 724, 764, 905, 955, 1000, 1250, 1448, 1528, 1810, 1910, 2000, 2500, 2896, 3056, 3620, 3820, 4525, 4775, 5000, 7240, 7640, 9050, 9550, 10000, 14480, 15280, 18100, 19100, 22625, 23875, 34571, 36200, 38200, 45250, 47750, 69142, 72400, 76400, 90500, 95500, 113125, 119375, 138284, 172855, 181000, 191000, 226250, 238750, 276568, 345710, 362000, 382000, 452500, 477500, 553136, 691420, 864275, 905000, 955000, 1382840, 1728550, 1810000, 1910000, 2765680, 3457100, 4321375, 6914200, 8642750, 13828400, 17285500, 21606875, 34571000, 43213750, 69142000, 86427500, 172855000, 345710000]

約数ペア:

[(1, 345710000), (2, 172855000), (4, 86427500), (5, 69142000), (8, 43213750), (10, 34571000), (16, 21606875), (20, 17285500), (25, 13828400), (40, 8642750), (50, 6914200), (80, 4321375), (100, 3457100), (125, 2765680), (181, 1910000), (191, 1810000), (200, 1728550), (250, 1382840), (362, 955000), (382, 905000), (400, 864275), (500, 691420), (625, 553136), (724, 477500), (764, 452500), (905, 382000), (955, 362000), (1000, 345710), (1250, 276568), (1448, 238750), (1528, 226250), (1810, 191000), (1910, 181000), (2000, 172855), (2500, 138284), (2896, 119375), (3056, 113125), (3620, 95500), (3820, 90500), (4525, 76400), (4775, 72400), (5000, 69142), (7240, 47750), (7640, 45250), (9050, 38200), (9550, 36200), (10000, 34571), (14480, 23875), (15280, 22625), (18100, 19100)]