209951360

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1$

素因数の和:898

約数の個数: 128

約数和(自身を含む): 555206400

約数和(自身を除く): 345255040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 115, 128, 136, 160, 170, 184, 230, 272, 320, 340, 368, 391, 460, 544, 640, 680, 736, 782, 839, 920, 1088, 1360, 1472, 1564, 1678, 1840, 1955, 2176, 2720, 2944, 3128, 3356, 3680, 3910, 4195, 5440, 6256, 6712, 7360, 7820, 8390, 10880, 12512, 13424, 14263, 14720, 15640, 16780, 19297, 25024, 26848, 28526, 31280, 33560, 38594, 50048, 53696, 57052, 62560, 67120, 71315, 77188, 96485, 107392, 114104, 125120, 134240, 142630, 154376, 192970, 228208, 250240, 268480, 285260, 308752, 328049, 385940, 456416, 536960, 570520, 617504, 656098, 771880, 912832, 1141040, 1235008, 1312196, 1543760, 1640245, 1825664, 2282080, 2470016, 2624392, 3087520, 3280490, 4564160, 5248784, 6175040, 6560980, 9128320, 10497568, 12350080, 13121960, 20995136, 26243920, 41990272, 52487840, 104975680, 209951360]

約数ペア:

[(1, 209951360), (2, 104975680), (4, 52487840), (5, 41990272), (8, 26243920), (10, 20995136), (16, 13121960), (17, 12350080), (20, 10497568), (23, 9128320), (32, 6560980), (34, 6175040), (40, 5248784), (46, 4564160), (64, 3280490), (68, 3087520), (80, 2624392), (85, 2470016), (92, 2282080), (115, 1825664), (128, 1640245), (136, 1543760), (160, 1312196), (170, 1235008), (184, 1141040), (230, 912832), (272, 771880), (320, 656098), (340, 617504), (368, 570520), (391, 536960), (460, 456416), (544, 385940), (640, 328049), (680, 308752), (736, 285260), (782, 268480), (839, 250240), (920, 228208), (1088, 192970), (1360, 154376), (1472, 142630), (1564, 134240), (1678, 125120), (1840, 114104), (1955, 107392), (2176, 96485), (2720, 77188), (2944, 71315), (3128, 67120), (3356, 62560), (3680, 57052), (3910, 53696), (4195, 50048), (5440, 38594), (6256, 33560), (6712, 31280), (7360, 28526), (7820, 26848), (8390, 25024), (10880, 19297), (12512, 16780), (13424, 15640), (14263, 14720)]