243940220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{3389}}^1$

素因数の和:3518

約数の個数: 48

約数和(自身を含む): 529653600

約数和(自身を除く): 285713380

約数列:

[1, 2, 4, 5, 10, 20, 59, 61, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 3389, 3599, 6778, 7198, 13556, 14396, 16945, 17995, 33890, 35990, 67780, 71980, 199951, 206729, 399902, 413458, 799804, 826916, 999755, 1033645, 1999510, 2067290, 3999020, 4134580, 12197011, 24394022, 48788044, 60985055, 121970110, 243940220]

約数ペア:

[(1, 243940220), (2, 121970110), (4, 60985055), (5, 48788044), (10, 24394022), (20, 12197011), (59, 4134580), (61, 3999020), (118, 2067290), (122, 1999510), (236, 1033645), (244, 999755), (295, 826916), (305, 799804), (590, 413458), (610, 399902), (1180, 206729), (1220, 199951), (3389, 71980), (3599, 67780), (6778, 35990), (7198, 33890), (13556, 17995), (14396, 16945)]