209403450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:949

約数の個数: 144

約数和(自身を含む): 615603456

約数和(自身を除く): 406200006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 31, 34, 45, 50, 51, 62, 75, 85, 90, 93, 102, 150, 153, 155, 170, 186, 225, 255, 279, 306, 310, 425, 450, 465, 510, 527, 558, 765, 775, 850, 883, 930, 1054, 1275, 1395, 1530, 1550, 1581, 1766, 2325, 2550, 2635, 2649, 2790, 3162, 3825, 4415, 4650, 4743, 5270, 5298, 6975, 7650, 7905, 7947, 8830, 9486, 13175, 13245, 13950, 15011, 15810, 15894, 22075, 23715, 26350, 26490, 27373, 30022, 39525, 39735, 44150, 45033, 47430, 54746, 66225, 75055, 79050, 79470, 82119, 90066, 118575, 132450, 135099, 136865, 150110, 164238, 198675, 225165, 237150, 246357, 270198, 273730, 375275, 397350, 410595, 450330, 465341, 492714, 675495, 684325, 750550, 821190, 930682, 1125825, 1231785, 1350990, 1368650, 1396023, 2052975, 2251650, 2326705, 2463570, 2792046, 3377475, 4105950, 4188069, 4653410, 6158925, 6754950, 6980115, 8376138, 11633525, 12317850, 13960230, 20940345, 23267050, 34900575, 41880690, 69801150, 104701725, 209403450]

約数ペア:

[(1, 209403450), (2, 104701725), (3, 69801150), (5, 41880690), (6, 34900575), (9, 23267050), (10, 20940345), (15, 13960230), (17, 12317850), (18, 11633525), (25, 8376138), (30, 6980115), (31, 6754950), (34, 6158925), (45, 4653410), (50, 4188069), (51, 4105950), (62, 3377475), (75, 2792046), (85, 2463570), (90, 2326705), (93, 2251650), (102, 2052975), (150, 1396023), (153, 1368650), (155, 1350990), (170, 1231785), (186, 1125825), (225, 930682), (255, 821190), (279, 750550), (306, 684325), (310, 675495), (425, 492714), (450, 465341), (465, 450330), (510, 410595), (527, 397350), (558, 375275), (765, 273730), (775, 270198), (850, 246357), (883, 237150), (930, 225165), (1054, 198675), (1275, 164238), (1395, 150110), (1530, 136865), (1550, 135099), (1581, 132450), (1766, 118575), (2325, 90066), (2550, 82119), (2635, 79470), (2649, 79050), (2790, 75055), (3162, 66225), (3825, 54746), (4415, 47430), (4650, 45033), (4743, 44150), (5270, 39735), (5298, 39525), (6975, 30022), (7650, 27373), (7905, 26490), (7947, 26350), (8830, 23715), (9486, 22075), (13175, 15894), (13245, 15810), (13950, 15011)]