206893960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{503}}^1$

素因数の和:647

約数の個数: 128

約数和(自身を含む): 579156480

約数和(自身を除く): 372262520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 113, 130, 140, 182, 226, 260, 280, 364, 452, 455, 503, 520, 565, 728, 791, 904, 910, 1006, 1130, 1469, 1582, 1820, 2012, 2260, 2515, 2938, 3164, 3521, 3640, 3955, 4024, 4520, 5030, 5876, 6328, 6539, 7042, 7345, 7910, 10060, 10283, 11752, 13078, 14084, 14690, 15820, 17605, 20120, 20566, 26156, 28168, 29380, 31640, 32695, 35210, 41132, 45773, 51415, 52312, 56839, 58760, 65390, 70420, 82264, 91546, 102830, 113678, 130780, 140840, 183092, 205660, 227356, 228865, 261560, 284195, 366184, 397873, 411320, 454712, 457730, 568390, 738907, 795746, 915460, 1136780, 1477814, 1591492, 1830920, 1989365, 2273560, 2955628, 3182984, 3694535, 3978730, 5172349, 5911256, 7389070, 7957460, 10344698, 14778140, 15914920, 20689396, 25861745, 29556280, 41378792, 51723490, 103446980, 206893960]

約数ペア:

[(1, 206893960), (2, 103446980), (4, 51723490), (5, 41378792), (7, 29556280), (8, 25861745), (10, 20689396), (13, 15914920), (14, 14778140), (20, 10344698), (26, 7957460), (28, 7389070), (35, 5911256), (40, 5172349), (52, 3978730), (56, 3694535), (65, 3182984), (70, 2955628), (91, 2273560), (104, 1989365), (113, 1830920), (130, 1591492), (140, 1477814), (182, 1136780), (226, 915460), (260, 795746), (280, 738907), (364, 568390), (452, 457730), (455, 454712), (503, 411320), (520, 397873), (565, 366184), (728, 284195), (791, 261560), (904, 228865), (910, 227356), (1006, 205660), (1130, 183092), (1469, 140840), (1582, 130780), (1820, 113678), (2012, 102830), (2260, 91546), (2515, 82264), (2938, 70420), (3164, 65390), (3521, 58760), (3640, 56839), (3955, 52312), (4024, 51415), (4520, 45773), (5030, 41132), (5876, 35210), (6328, 32695), (6539, 31640), (7042, 29380), (7345, 28168), (7910, 26156), (10060, 20566), (10283, 20120), (11752, 17605), (13078, 15820), (14084, 14690)]