212325880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 551214720

約数和(自身を除く): 338888840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 41, 46, 52, 65, 82, 92, 104, 115, 130, 164, 184, 205, 230, 260, 299, 328, 410, 433, 460, 520, 533, 598, 820, 866, 920, 943, 1066, 1196, 1495, 1640, 1732, 1886, 2132, 2165, 2392, 2665, 2990, 3464, 3772, 4264, 4330, 4715, 5330, 5629, 5980, 7544, 8660, 9430, 9959, 10660, 11258, 11960, 12259, 17320, 17753, 18860, 19918, 21320, 22516, 24518, 28145, 35506, 37720, 39836, 45032, 49036, 49795, 56290, 61295, 71012, 79672, 88765, 98072, 99590, 112580, 122590, 129467, 142024, 177530, 199180, 225160, 230789, 245180, 258934, 355060, 398360, 408319, 461578, 490360, 517868, 647335, 710120, 816638, 923156, 1035736, 1153945, 1294670, 1633276, 1846312, 2041595, 2307890, 2589340, 3266552, 4083190, 4615780, 5178680, 5308147, 8166380, 9231560, 10616294, 16332760, 21232588, 26540735, 42465176, 53081470, 106162940, 212325880]

約数ペア:

[(1, 212325880), (2, 106162940), (4, 53081470), (5, 42465176), (8, 26540735), (10, 21232588), (13, 16332760), (20, 10616294), (23, 9231560), (26, 8166380), (40, 5308147), (41, 5178680), (46, 4615780), (52, 4083190), (65, 3266552), (82, 2589340), (92, 2307890), (104, 2041595), (115, 1846312), (130, 1633276), (164, 1294670), (184, 1153945), (205, 1035736), (230, 923156), (260, 816638), (299, 710120), (328, 647335), (410, 517868), (433, 490360), (460, 461578), (520, 408319), (533, 398360), (598, 355060), (820, 258934), (866, 245180), (920, 230789), (943, 225160), (1066, 199180), (1196, 177530), (1495, 142024), (1640, 129467), (1732, 122590), (1886, 112580), (2132, 99590), (2165, 98072), (2392, 88765), (2665, 79672), (2990, 71012), (3464, 61295), (3772, 56290), (4264, 49795), (4330, 49036), (4715, 45032), (5330, 39836), (5629, 37720), (5980, 35506), (7544, 28145), (8660, 24518), (9430, 22516), (9959, 21320), (10660, 19918), (11258, 18860), (11960, 17753), (12259, 17320)]