198573040

素因数分解:

$2^4\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{1667}}^1$

素因数の和:3169

約数の個数: 40

約数和(自身を含む): 462269520

約数和(自身を除く): 263696480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1489, 1667, 2978, 3334, 5956, 6668, 7445, 8335, 11912, 13336, 14890, 16670, 23824, 26672, 29780, 33340, 59560, 66680, 119120, 133360, 2482163, 4964326, 9928652, 12410815, 19857304, 24821630, 39714608, 49643260, 99286520, 198573040]

約数ペア:

[(1, 198573040), (2, 99286520), (4, 49643260), (5, 39714608), (8, 24821630), (10, 19857304), (16, 12410815), (20, 9928652), (40, 4964326), (80, 2482163), (1489, 133360), (1667, 119120), (2978, 66680), (3334, 59560), (5956, 33340), (6668, 29780), (7445, 26672), (8335, 23824), (11912, 16670), (13336, 14890)]