291215010820

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{1855109}}^1$

素因数の和:1855332

約数の個数: 48

約数和(自身を含む): 628303495680

約数和(自身を除く): 337088484860

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 167, 188, 235, 334, 470, 668, 835, 940, 1670, 3340, 7849, 15698, 31396, 39245, 78490, 156980, 1855109, 3710218, 7420436, 9275545, 18551090, 37102180, 87190123, 174380246, 309803203, 348760492, 435950615, 619606406, 871901230, 1239212812, 1549016015, 1743802460, 3098032030, 6196064060, 14560750541, 29121501082, 58243002164, 72803752705, 145607505410, 291215010820]

約数ペア:

[(1, 291215010820), (2, 145607505410), (4, 72803752705), (5, 58243002164), (10, 29121501082), (20, 14560750541), (47, 6196064060), (94, 3098032030), (167, 1743802460), (188, 1549016015), (235, 1239212812), (334, 871901230), (470, 619606406), (668, 435950615), (835, 348760492), (940, 309803203), (1670, 174380246), (3340, 87190123), (7849, 37102180), (15698, 18551090), (31396, 9275545), (39245, 7420436), (78490, 3710218), (156980, 1855109)]