221997200

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{17903}}^1$

素因数の和:17952

約数の個数: 60

約数和(自身を含む): 550583808

約数和(自身を除く): 328586608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 2480, 3100, 6200, 12400, 17903, 35806, 71612, 89515, 143224, 179030, 286448, 358060, 447575, 554993, 716120, 895150, 1109986, 1432240, 1790300, 2219972, 2774965, 3580600, 4439944, 5549930, 7161200, 8879888, 11099860, 13874825, 22199720, 27749650, 44399440, 55499300, 110998600, 221997200]

約数ペア:

[(1, 221997200), (2, 110998600), (4, 55499300), (5, 44399440), (8, 27749650), (10, 22199720), (16, 13874825), (20, 11099860), (25, 8879888), (31, 7161200), (40, 5549930), (50, 4439944), (62, 3580600), (80, 2774965), (100, 2219972), (124, 1790300), (155, 1432240), (200, 1109986), (248, 895150), (310, 716120), (400, 554993), (496, 447575), (620, 358060), (775, 286448), (1240, 179030), (1550, 143224), (2480, 89515), (3100, 71612), (6200, 35806), (12400, 17903)]