225454900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4999}}^1$

素因数の和:5065

約数の個数: 72

約数和(自身を含む): 546840000

約数和(自身を除く): 321385100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 100, 110, 164, 205, 220, 275, 410, 451, 550, 820, 902, 1025, 1100, 1804, 2050, 2255, 4100, 4510, 4999, 9020, 9998, 11275, 19996, 22550, 24995, 45100, 49990, 54989, 99980, 109978, 124975, 204959, 219956, 249950, 274945, 409918, 499900, 549890, 819836, 1024795, 1099780, 1374725, 2049590, 2254549, 2749450, 4099180, 4509098, 5123975, 5498900, 9018196, 10247950, 11272745, 20495900, 22545490, 45090980, 56363725, 112727450, 225454900]

約数ペア:

[(1, 225454900), (2, 112727450), (4, 56363725), (5, 45090980), (10, 22545490), (11, 20495900), (20, 11272745), (22, 10247950), (25, 9018196), (41, 5498900), (44, 5123975), (50, 4509098), (55, 4099180), (82, 2749450), (100, 2254549), (110, 2049590), (164, 1374725), (205, 1099780), (220, 1024795), (275, 819836), (410, 549890), (451, 499900), (550, 409918), (820, 274945), (902, 249950), (1025, 219956), (1100, 204959), (1804, 124975), (2050, 109978), (2255, 99980), (4100, 54989), (4510, 49990), (4999, 45100), (9020, 24995), (9998, 22550), (11275, 19996)]