1284648440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{277}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 3070254240

約数和(自身を除く): 1785605800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 71, 92, 115, 142, 184, 230, 277, 284, 355, 460, 554, 568, 710, 920, 1108, 1385, 1420, 1633, 2216, 2770, 2840, 3266, 5041, 5540, 6371, 6532, 8165, 10082, 11080, 12742, 13064, 16330, 19667, 20164, 25205, 25484, 31855, 32660, 39334, 40328, 50410, 50968, 63710, 65320, 78668, 98335, 100820, 115943, 127420, 157336, 196670, 201640, 231886, 254840, 393340, 452341, 463772, 579715, 786680, 904682, 927544, 1159430, 1396357, 1809364, 2261705, 2318860, 2792714, 3618728, 4523410, 4637720, 5585428, 6981785, 9046820, 11170856, 13963570, 18093640, 27927140, 32116211, 55854280, 64232422, 128464844, 160581055, 256929688, 321162110, 642324220, 1284648440]

約数ペア:

[(1, 1284648440), (2, 642324220), (4, 321162110), (5, 256929688), (8, 160581055), (10, 128464844), (20, 64232422), (23, 55854280), (40, 32116211), (46, 27927140), (71, 18093640), (92, 13963570), (115, 11170856), (142, 9046820), (184, 6981785), (230, 5585428), (277, 4637720), (284, 4523410), (355, 3618728), (460, 2792714), (554, 2318860), (568, 2261705), (710, 1809364), (920, 1396357), (1108, 1159430), (1385, 927544), (1420, 904682), (1633, 786680), (2216, 579715), (2770, 463772), (2840, 452341), (3266, 393340), (5041, 254840), (5540, 231886), (6371, 201640), (6532, 196670), (8165, 157336), (10082, 127420), (11080, 115943), (12742, 100820), (13064, 98335), (16330, 78668), (19667, 65320), (20164, 63710), (25205, 50968), (25484, 50410), (31855, 40328), (32660, 39334)]