200690140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 490160160

約数和(自身を除く): 289470020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 269, 292, 365, 511, 538, 730, 1022, 1076, 1345, 1460, 1883, 2044, 2555, 2690, 3766, 5110, 5329, 5380, 7532, 9415, 10220, 10658, 18830, 19637, 21316, 26645, 37303, 37660, 39274, 53290, 74606, 78548, 98185, 106580, 137459, 149212, 186515, 196370, 274918, 373030, 392740, 549836, 687295, 746060, 1374590, 1433501, 2749180, 2867002, 5734004, 7167505, 10034507, 14335010, 20069014, 28670020, 40138028, 50172535, 100345070, 200690140]

約数ペア:

[(1, 200690140), (2, 100345070), (4, 50172535), (5, 40138028), (7, 28670020), (10, 20069014), (14, 14335010), (20, 10034507), (28, 7167505), (35, 5734004), (70, 2867002), (73, 2749180), (140, 1433501), (146, 1374590), (269, 746060), (292, 687295), (365, 549836), (511, 392740), (538, 373030), (730, 274918), (1022, 196370), (1076, 186515), (1345, 149212), (1460, 137459), (1883, 106580), (2044, 98185), (2555, 78548), (2690, 74606), (3766, 53290), (5110, 39274), (5329, 37660), (5380, 37303), (7532, 26645), (9415, 21316), (10220, 19637), (10658, 18830)]