397473720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{5701}}^1$

素因数の和:5805

約数の個数: 128

約数和(自身を含む): 1379427840

約数和(自身を除く): 981954120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 280, 332, 415, 420, 498, 581, 664, 830, 840, 996, 1162, 1245, 1660, 1743, 1992, 2324, 2490, 2905, 3320, 3486, 4648, 4980, 5701, 5810, 6972, 8715, 9960, 11402, 11620, 13944, 17103, 17430, 22804, 23240, 28505, 34206, 34860, 39907, 45608, 57010, 68412, 69720, 79814, 85515, 114020, 119721, 136824, 159628, 171030, 199535, 228040, 239442, 319256, 342060, 399070, 473183, 478884, 598605, 684120, 798140, 946366, 957768, 1197210, 1419549, 1596280, 1892732, 2365915, 2394420, 2839098, 3312281, 3785464, 4731830, 4788840, 5678196, 6624562, 7097745, 9463660, 9936843, 11356392, 13249124, 14195490, 16561405, 18927320, 19873686, 26498248, 28390980, 33122810, 39747372, 49684215, 56781960, 66245620, 79494744, 99368430, 132491240, 198736860, 397473720]

約数ペア:

[(1, 397473720), (2, 198736860), (3, 132491240), (4, 99368430), (5, 79494744), (6, 66245620), (7, 56781960), (8, 49684215), (10, 39747372), (12, 33122810), (14, 28390980), (15, 26498248), (20, 19873686), (21, 18927320), (24, 16561405), (28, 14195490), (30, 13249124), (35, 11356392), (40, 9936843), (42, 9463660), (56, 7097745), (60, 6624562), (70, 5678196), (83, 4788840), (84, 4731830), (105, 3785464), (120, 3312281), (140, 2839098), (166, 2394420), (168, 2365915), (210, 1892732), (249, 1596280), (280, 1419549), (332, 1197210), (415, 957768), (420, 946366), (498, 798140), (581, 684120), (664, 598605), (830, 478884), (840, 473183), (996, 399070), (1162, 342060), (1245, 319256), (1660, 239442), (1743, 228040), (1992, 199535), (2324, 171030), (2490, 159628), (2905, 136824), (3320, 119721), (3486, 114020), (4648, 85515), (4980, 79814), (5701, 69720), (5810, 68412), (6972, 57010), (8715, 45608), (9960, 39907), (11402, 34860), (11620, 34206), (13944, 28505), (17103, 23240), (17430, 22804)]