1238833520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{19381}}^1$

素因数の和:19458

約数の個数: 80

約数和(自身を含む): 3114764928

約数和(自身を除く): 1875931408

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 47, 68, 80, 85, 94, 136, 170, 188, 235, 272, 340, 376, 470, 680, 752, 799, 940, 1360, 1598, 1880, 3196, 3760, 3995, 6392, 7990, 12784, 15980, 19381, 31960, 38762, 63920, 77524, 96905, 155048, 193810, 310096, 329477, 387620, 658954, 775240, 910907, 1317908, 1550480, 1647385, 1821814, 2635816, 3294770, 3643628, 4554535, 5271632, 6589540, 7287256, 9109070, 13179080, 14574512, 15485419, 18218140, 26358160, 30970838, 36436280, 61941676, 72872560, 77427095, 123883352, 154854190, 247766704, 309708380, 619416760, 1238833520]

約数ペア:

[(1, 1238833520), (2, 619416760), (4, 309708380), (5, 247766704), (8, 154854190), (10, 123883352), (16, 77427095), (17, 72872560), (20, 61941676), (34, 36436280), (40, 30970838), (47, 26358160), (68, 18218140), (80, 15485419), (85, 14574512), (94, 13179080), (136, 9109070), (170, 7287256), (188, 6589540), (235, 5271632), (272, 4554535), (340, 3643628), (376, 3294770), (470, 2635816), (680, 1821814), (752, 1647385), (799, 1550480), (940, 1317908), (1360, 910907), (1598, 775240), (1880, 658954), (3196, 387620), (3760, 329477), (3995, 310096), (6392, 193810), (7990, 155048), (12784, 96905), (15980, 77524), (19381, 63920), (31960, 38762)]