170735420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 385788480

約数和(自身を除く): 215053060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 271, 289, 340, 436, 542, 545, 578, 1084, 1090, 1156, 1355, 1445, 1853, 2180, 2710, 2890, 3706, 4607, 5420, 5780, 7412, 9214, 9265, 18428, 18530, 23035, 29539, 31501, 37060, 46070, 59078, 63002, 78319, 92140, 118156, 126004, 147695, 156638, 157505, 295390, 313276, 315010, 391595, 502163, 590780, 630020, 783190, 1004326, 1566380, 2008652, 2510815, 5021630, 8536771, 10043260, 17073542, 34147084, 42683855, 85367710, 170735420]

約数ペア:

[(1, 170735420), (2, 85367710), (4, 42683855), (5, 34147084), (10, 17073542), (17, 10043260), (20, 8536771), (34, 5021630), (68, 2510815), (85, 2008652), (109, 1566380), (170, 1004326), (218, 783190), (271, 630020), (289, 590780), (340, 502163), (436, 391595), (542, 315010), (545, 313276), (578, 295390), (1084, 157505), (1090, 156638), (1156, 147695), (1355, 126004), (1445, 118156), (1853, 92140), (2180, 78319), (2710, 63002), (2890, 59078), (3706, 46070), (4607, 37060), (5420, 31501), (5780, 29539), (7412, 23035), (9214, 18530), (9265, 18428)]