78715000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 160

約数和(自身を含む): 228301920

約数和(自身を除く): 149586920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 125, 130, 140, 173, 175, 182, 200, 250, 260, 280, 325, 346, 350, 364, 455, 500, 520, 625, 650, 692, 700, 728, 865, 875, 910, 1000, 1211, 1250, 1300, 1384, 1400, 1625, 1730, 1750, 1820, 2249, 2275, 2422, 2500, 2600, 3250, 3460, 3500, 3640, 4325, 4375, 4498, 4550, 4844, 5000, 6055, 6500, 6920, 7000, 8125, 8650, 8750, 8996, 9100, 9688, 11245, 11375, 12110, 13000, 15743, 16250, 17300, 17500, 17992, 18200, 21625, 22490, 22750, 24220, 30275, 31486, 32500, 34600, 35000, 43250, 44980, 45500, 48440, 56225, 56875, 60550, 62972, 65000, 78715, 86500, 89960, 91000, 108125, 112450, 113750, 121100, 125944, 151375, 157430, 173000, 216250, 224900, 227500, 242200, 281125, 302750, 314860, 393575, 432500, 449800, 455000, 562250, 605500, 629720, 756875, 787150, 865000, 1124500, 1211000, 1405625, 1513750, 1574300, 1967875, 2249000, 2811250, 3027500, 3148600, 3935750, 5622500, 6055000, 7871500, 9839375, 11245000, 15743000, 19678750, 39357500, 78715000]

約数ペア:

[(1, 78715000), (2, 39357500), (4, 19678750), (5, 15743000), (7, 11245000), (8, 9839375), (10, 7871500), (13, 6055000), (14, 5622500), (20, 3935750), (25, 3148600), (26, 3027500), (28, 2811250), (35, 2249000), (40, 1967875), (50, 1574300), (52, 1513750), (56, 1405625), (65, 1211000), (70, 1124500), (91, 865000), (100, 787150), (104, 756875), (125, 629720), (130, 605500), (140, 562250), (173, 455000), (175, 449800), (182, 432500), (200, 393575), (250, 314860), (260, 302750), (280, 281125), (325, 242200), (346, 227500), (350, 224900), (364, 216250), (455, 173000), (500, 157430), (520, 151375), (625, 125944), (650, 121100), (692, 113750), (700, 112450), (728, 108125), (865, 91000), (875, 89960), (910, 86500), (1000, 78715), (1211, 65000), (1250, 62972), (1300, 60550), (1384, 56875), (1400, 56225), (1625, 48440), (1730, 45500), (1750, 44980), (1820, 43250), (2249, 35000), (2275, 34600), (2422, 32500), (2500, 31486), (2600, 30275), (3250, 24220), (3460, 22750), (3500, 22490), (3640, 21625), (4325, 18200), (4375, 17992), (4498, 17500), (4550, 17300), (4844, 16250), (5000, 15743), (6055, 13000), (6500, 12110), (6920, 11375), (7000, 11245), (8125, 9688), (8650, 9100), (8750, 8996)]