326740400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:1999

約数の個数: 120

約数和(自身を含む): 912319584

約数和(自身を除く): 585579184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 61, 70, 80, 100, 112, 122, 140, 175, 200, 244, 280, 305, 350, 400, 427, 488, 560, 610, 700, 854, 976, 1220, 1400, 1525, 1708, 1913, 2135, 2440, 2800, 3050, 3416, 3826, 4270, 4880, 6100, 6832, 7652, 8540, 9565, 10675, 12200, 13391, 15304, 17080, 19130, 21350, 24400, 26782, 30608, 34160, 38260, 42700, 47825, 53564, 66955, 76520, 85400, 95650, 107128, 116693, 133910, 153040, 170800, 191300, 214256, 233386, 267820, 334775, 382600, 466772, 535640, 583465, 669550, 765200, 816851, 933544, 1071280, 1166930, 1339100, 1633702, 1867088, 2333860, 2678200, 2917325, 3267404, 4084255, 4667720, 5356400, 5834650, 6534808, 8168510, 9335440, 11669300, 13069616, 16337020, 20421275, 23338600, 32674040, 40842550, 46677200, 65348080, 81685100, 163370200, 326740400]

約数ペア:

[(1, 326740400), (2, 163370200), (4, 81685100), (5, 65348080), (7, 46677200), (8, 40842550), (10, 32674040), (14, 23338600), (16, 20421275), (20, 16337020), (25, 13069616), (28, 11669300), (35, 9335440), (40, 8168510), (50, 6534808), (56, 5834650), (61, 5356400), (70, 4667720), (80, 4084255), (100, 3267404), (112, 2917325), (122, 2678200), (140, 2333860), (175, 1867088), (200, 1633702), (244, 1339100), (280, 1166930), (305, 1071280), (350, 933544), (400, 816851), (427, 765200), (488, 669550), (560, 583465), (610, 535640), (700, 466772), (854, 382600), (976, 334775), (1220, 267820), (1400, 233386), (1525, 214256), (1708, 191300), (1913, 170800), (2135, 153040), (2440, 133910), (2800, 116693), (3050, 107128), (3416, 95650), (3826, 85400), (4270, 76520), (4880, 66955), (6100, 53564), (6832, 47825), (7652, 42700), (8540, 38260), (9565, 34160), (10675, 30608), (12200, 26782), (13391, 24400), (15304, 21350), (17080, 19130)]