520950040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1901}}^1$

素因数の和:1973

約数の個数: 128

約数和(自身を含む): 1380395520

約数和(自身を除く): 859445480

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 520, 527, 620, 680, 806, 884, 1054, 1105, 1240, 1612, 1768, 1901, 2015, 2108, 2210, 2635, 3224, 3802, 4030, 4216, 4420, 5270, 6851, 7604, 8060, 8840, 9505, 10540, 13702, 15208, 16120, 19010, 21080, 24713, 27404, 32317, 34255, 38020, 49426, 54808, 58931, 64634, 68510, 76040, 98852, 117862, 123565, 129268, 137020, 161585, 197704, 235724, 247130, 258536, 274040, 294655, 323170, 420121, 471448, 494260, 589310, 646340, 766103, 840242, 988520, 1001827, 1178620, 1292680, 1532206, 1680484, 2003654, 2100605, 2357240, 3064412, 3360968, 3830515, 4007308, 4201210, 5009135, 6128824, 7661030, 8014616, 8402420, 10018270, 13023751, 15322060, 16804840, 20036540, 26047502, 30644120, 40073080, 52095004, 65118755, 104190008, 130237510, 260475020, 520950040]

約数ペア:

[(1, 520950040), (2, 260475020), (4, 130237510), (5, 104190008), (8, 65118755), (10, 52095004), (13, 40073080), (17, 30644120), (20, 26047502), (26, 20036540), (31, 16804840), (34, 15322060), (40, 13023751), (52, 10018270), (62, 8402420), (65, 8014616), (68, 7661030), (85, 6128824), (104, 5009135), (124, 4201210), (130, 4007308), (136, 3830515), (155, 3360968), (170, 3064412), (221, 2357240), (248, 2100605), (260, 2003654), (310, 1680484), (340, 1532206), (403, 1292680), (442, 1178620), (520, 1001827), (527, 988520), (620, 840242), (680, 766103), (806, 646340), (884, 589310), (1054, 494260), (1105, 471448), (1240, 420121), (1612, 323170), (1768, 294655), (1901, 274040), (2015, 258536), (2108, 247130), (2210, 235724), (2635, 197704), (3224, 161585), (3802, 137020), (4030, 129268), (4216, 123565), (4420, 117862), (5270, 98852), (6851, 76040), (7604, 68510), (8060, 64634), (8840, 58931), (9505, 54808), (10540, 49426), (13702, 38020), (15208, 34255), (16120, 32317), (19010, 27404), (21080, 24713)]