678269150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1$

素因数の和:918

約数の個数: 96

約数和(自身を含む): 1438407936

約数和(自身を除く): 760138786

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 41, 50, 62, 65, 82, 130, 155, 205, 310, 325, 403, 410, 533, 650, 775, 806, 821, 1025, 1066, 1271, 1550, 1642, 2015, 2050, 2542, 2665, 4030, 4105, 5330, 6355, 8210, 10075, 10673, 12710, 13325, 16523, 20150, 20525, 21346, 25451, 26650, 31775, 33046, 33661, 41050, 50902, 53365, 63550, 67322, 82615, 106730, 127255, 165230, 168305, 254510, 266825, 330863, 336610, 413075, 437593, 533650, 636275, 661726, 826150, 841525, 875186, 1043491, 1272550, 1654315, 1683050, 2086982, 2187965, 3308630, 4375930, 5217455, 8271575, 10434910, 10939825, 13565383, 16543150, 21879650, 26087275, 27130766, 52174550, 67826915, 135653830, 339134575, 678269150]

約数ペア:

[(1, 678269150), (2, 339134575), (5, 135653830), (10, 67826915), (13, 52174550), (25, 27130766), (26, 26087275), (31, 21879650), (41, 16543150), (50, 13565383), (62, 10939825), (65, 10434910), (82, 8271575), (130, 5217455), (155, 4375930), (205, 3308630), (310, 2187965), (325, 2086982), (403, 1683050), (410, 1654315), (533, 1272550), (650, 1043491), (775, 875186), (806, 841525), (821, 826150), (1025, 661726), (1066, 636275), (1271, 533650), (1550, 437593), (1642, 413075), (2015, 336610), (2050, 330863), (2542, 266825), (2665, 254510), (4030, 168305), (4105, 165230), (5330, 127255), (6355, 106730), (8210, 82615), (10075, 67322), (10673, 63550), (12710, 53365), (13325, 50902), (16523, 41050), (20150, 33661), (20525, 33046), (21346, 31775), (25451, 26650)]