210988460

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{3257}}^1$

素因数の和:3386

約数の個数: 48

約数和(自身を含む): 459768960

約数和(自身を除く): 248780500

約数列:

[1, 2, 4, 5, 10, 20, 41, 79, 82, 158, 164, 205, 316, 395, 410, 790, 820, 1580, 3239, 3257, 6478, 6514, 12956, 13028, 16195, 16285, 32390, 32570, 64780, 65140, 133537, 257303, 267074, 514606, 534148, 667685, 1029212, 1286515, 1335370, 2573030, 2670740, 5146060, 10549423, 21098846, 42197692, 52747115, 105494230, 210988460]

約数ペア:

[(1, 210988460), (2, 105494230), (4, 52747115), (5, 42197692), (10, 21098846), (20, 10549423), (41, 5146060), (79, 2670740), (82, 2573030), (158, 1335370), (164, 1286515), (205, 1029212), (316, 667685), (395, 534148), (410, 514606), (790, 267074), (820, 257303), (1580, 133537), (3239, 65140), (3257, 64780), (6478, 32570), (6514, 32390), (12956, 16285), (13028, 16195)]