495999225

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 1002792960

約数和(自身を除く): 506793735

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 47, 51, 75, 85, 89, 93, 141, 153, 155, 225, 235, 255, 267, 279, 423, 425, 445, 465, 527, 705, 765, 775, 799, 801, 1175, 1275, 1335, 1395, 1457, 1513, 1581, 2115, 2225, 2325, 2397, 2635, 2759, 3525, 3825, 3995, 4005, 4183, 4371, 4539, 4743, 6675, 6975, 7191, 7285, 7565, 7905, 8277, 10575, 11985, 12549, 13113, 13175, 13617, 13795, 19975, 20025, 20915, 21855, 22695, 23715, 24769, 24831, 35955, 36425, 37647, 37825, 39525, 41385, 46903, 59925, 62745, 65565, 68085, 68975, 71111, 74307, 104575, 109275, 113475, 118575, 123845, 124155, 129673, 140709, 179775, 188235, 206925, 213333, 222921, 234515, 313725, 327825, 340425, 355555, 371535, 389019, 422127, 619225, 620775, 639999, 648365, 703545, 941175, 1066665, 1114605, 1167057, 1172575, 1777775, 1857675, 1945095, 2110635, 2204441, 3199995, 3241825, 3517725, 5333325, 5573025, 5835285, 6613323, 9725475, 10553175, 11022205, 15999975, 19839969, 29176425, 33066615, 55111025, 99199845, 165333075, 495999225]

約数ペア:

[(1, 495999225), (3, 165333075), (5, 99199845), (9, 55111025), (15, 33066615), (17, 29176425), (25, 19839969), (31, 15999975), (45, 11022205), (47, 10553175), (51, 9725475), (75, 6613323), (85, 5835285), (89, 5573025), (93, 5333325), (141, 3517725), (153, 3241825), (155, 3199995), (225, 2204441), (235, 2110635), (255, 1945095), (267, 1857675), (279, 1777775), (423, 1172575), (425, 1167057), (445, 1114605), (465, 1066665), (527, 941175), (705, 703545), (765, 648365), (775, 639999), (799, 620775), (801, 619225), (1175, 422127), (1275, 389019), (1335, 371535), (1395, 355555), (1457, 340425), (1513, 327825), (1581, 313725), (2115, 234515), (2225, 222921), (2325, 213333), (2397, 206925), (2635, 188235), (2759, 179775), (3525, 140709), (3825, 129673), (3995, 124155), (4005, 123845), (4183, 118575), (4371, 113475), (4539, 109275), (4743, 104575), (6675, 74307), (6975, 71111), (7191, 68975), (7285, 68085), (7565, 65565), (7905, 62745), (8277, 59925), (10575, 46903), (11985, 41385), (12549, 39525), (13113, 37825), (13175, 37647), (13617, 36425), (13795, 35955), (19975, 24831), (20025, 24769), (20915, 23715), (21855, 22695)]