222243760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{146213}}^1$

素因数の和:146245

約数の個数: 40

約数和(自身を含む): 543916080

約数和(自身を除く): 321672320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 146213, 292426, 584852, 731065, 1169704, 1462130, 2339408, 2778047, 2924260, 5556094, 5848520, 11112188, 11697040, 13890235, 22224376, 27780470, 44448752, 55560940, 111121880, 222243760]

約数ペア:

[(1, 222243760), (2, 111121880), (4, 55560940), (5, 44448752), (8, 27780470), (10, 22224376), (16, 13890235), (19, 11697040), (20, 11112188), (38, 5848520), (40, 5556094), (76, 2924260), (80, 2778047), (95, 2339408), (152, 1462130), (190, 1169704), (304, 731065), (380, 584852), (760, 292426), (1520, 146213)]