856863140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{2459}}^1$

素因数の和:2625

約数の個数: 96

約数和(自身を含む): 2182118400

約数和(自身を除く): 1325255260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 131, 133, 140, 190, 262, 266, 380, 524, 532, 655, 665, 917, 1310, 1330, 1834, 2459, 2489, 2620, 2660, 3668, 4585, 4918, 4978, 9170, 9836, 9956, 12295, 12445, 17213, 17423, 18340, 24590, 24890, 34426, 34846, 46721, 49180, 49780, 68852, 69692, 86065, 87115, 93442, 172130, 174230, 186884, 233605, 322129, 327047, 344260, 348460, 467210, 644258, 654094, 934420, 1288516, 1308188, 1610645, 1635235, 2254903, 3221290, 3270470, 4509806, 6120451, 6442580, 6540940, 9019612, 11274515, 12240902, 22549030, 24481804, 30602255, 42843157, 45098060, 61204510, 85686314, 122409020, 171372628, 214215785, 428431570, 856863140]

約数ペア:

[(1, 856863140), (2, 428431570), (4, 214215785), (5, 171372628), (7, 122409020), (10, 85686314), (14, 61204510), (19, 45098060), (20, 42843157), (28, 30602255), (35, 24481804), (38, 22549030), (70, 12240902), (76, 11274515), (95, 9019612), (131, 6540940), (133, 6442580), (140, 6120451), (190, 4509806), (262, 3270470), (266, 3221290), (380, 2254903), (524, 1635235), (532, 1610645), (655, 1308188), (665, 1288516), (917, 934420), (1310, 654094), (1330, 644258), (1834, 467210), (2459, 348460), (2489, 344260), (2620, 327047), (2660, 322129), (3668, 233605), (4585, 186884), (4918, 174230), (4978, 172130), (9170, 93442), (9836, 87115), (9956, 86065), (12295, 69692), (12445, 68852), (17213, 49780), (17423, 49180), (18340, 46721), (24590, 34846), (24890, 34426)]