331567100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1601}}^1$

素因数の和:1743

約数の個数: 72

約数和(自身を含む): 764794800

約数和(自身を除く): 433227700

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 109, 190, 218, 380, 436, 475, 545, 950, 1090, 1601, 1900, 2071, 2180, 2725, 3202, 4142, 5450, 6404, 8005, 8284, 10355, 10900, 16010, 20710, 30419, 32020, 40025, 41420, 51775, 60838, 80050, 103550, 121676, 152095, 160100, 174509, 207100, 304190, 349018, 608380, 698036, 760475, 872545, 1520950, 1745090, 3041900, 3315671, 3490180, 4362725, 6631342, 8725450, 13262684, 16578355, 17450900, 33156710, 66313420, 82891775, 165783550, 331567100]

約数ペア:

[(1, 331567100), (2, 165783550), (4, 82891775), (5, 66313420), (10, 33156710), (19, 17450900), (20, 16578355), (25, 13262684), (38, 8725450), (50, 6631342), (76, 4362725), (95, 3490180), (100, 3315671), (109, 3041900), (190, 1745090), (218, 1520950), (380, 872545), (436, 760475), (475, 698036), (545, 608380), (950, 349018), (1090, 304190), (1601, 207100), (1900, 174509), (2071, 160100), (2180, 152095), (2725, 121676), (3202, 103550), (4142, 80050), (5450, 60838), (6404, 51775), (8005, 41420), (8284, 40025), (10355, 32020), (10900, 30419), (16010, 20710)]