401229900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 216

約数和(自身を含む): 1322665344

約数和(自身を除く): 921435444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 62, 73, 75, 90, 93, 100, 124, 146, 150, 155, 180, 186, 197, 219, 225, 279, 292, 300, 310, 365, 372, 394, 438, 450, 465, 558, 591, 620, 657, 730, 775, 788, 876, 900, 930, 985, 1095, 1116, 1182, 1314, 1395, 1460, 1550, 1773, 1825, 1860, 1970, 2190, 2263, 2325, 2364, 2628, 2790, 2955, 3100, 3285, 3546, 3650, 3940, 4380, 4526, 4650, 4925, 5475, 5580, 5910, 6107, 6570, 6789, 6975, 7092, 7300, 8865, 9052, 9300, 9850, 10950, 11315, 11820, 12214, 13140, 13578, 13950, 14381, 14775, 16425, 17730, 18321, 19700, 20367, 21900, 22630, 24428, 27156, 27900, 28762, 29550, 30535, 32850, 33945, 35460, 36642, 40734, 43143, 44325, 45260, 54963, 56575, 57524, 59100, 61070, 65700, 67890, 71905, 73284, 81468, 86286, 88650, 91605, 101835, 109926, 113150, 122140, 129429, 135780, 143810, 152675, 169725, 172572, 177300, 183210, 203670, 215715, 219852, 226300, 258858, 274815, 287620, 305350, 339450, 359525, 366420, 407340, 431430, 445811, 458025, 509175, 517716, 549630, 610700, 647145, 678900, 719050, 862860, 891622, 916050, 1018350, 1078575, 1099260, 1294290, 1337433, 1374075, 1438100, 1783244, 1832100, 2036700, 2157150, 2229055, 2588580, 2674866, 2748150, 3235725, 4012299, 4314300, 4458110, 5349732, 5496300, 6471450, 6687165, 8024598, 8916220, 11145275, 12942900, 13374330, 16049196, 20061495, 22290550, 26748660, 33435825, 40122990, 44581100, 66871650, 80245980, 100307475, 133743300, 200614950, 401229900]

約数ペア:

[(1, 401229900), (2, 200614950), (3, 133743300), (4, 100307475), (5, 80245980), (6, 66871650), (9, 44581100), (10, 40122990), (12, 33435825), (15, 26748660), (18, 22290550), (20, 20061495), (25, 16049196), (30, 13374330), (31, 12942900), (36, 11145275), (45, 8916220), (50, 8024598), (60, 6687165), (62, 6471450), (73, 5496300), (75, 5349732), (90, 4458110), (93, 4314300), (100, 4012299), (124, 3235725), (146, 2748150), (150, 2674866), (155, 2588580), (180, 2229055), (186, 2157150), (197, 2036700), (219, 1832100), (225, 1783244), (279, 1438100), (292, 1374075), (300, 1337433), (310, 1294290), (365, 1099260), (372, 1078575), (394, 1018350), (438, 916050), (450, 891622), (465, 862860), (558, 719050), (591, 678900), (620, 647145), (657, 610700), (730, 549630), (775, 517716), (788, 509175), (876, 458025), (900, 445811), (930, 431430), (985, 407340), (1095, 366420), (1116, 359525), (1182, 339450), (1314, 305350), (1395, 287620), (1460, 274815), (1550, 258858), (1773, 226300), (1825, 219852), (1860, 215715), (1970, 203670), (2190, 183210), (2263, 177300), (2325, 172572), (2364, 169725), (2628, 152675), (2790, 143810), (2955, 135780), (3100, 129429), (3285, 122140), (3546, 113150), (3650, 109926), (3940, 101835), (4380, 91605), (4526, 88650), (4650, 86286), (4925, 81468), (5475, 73284), (5580, 71905), (5910, 67890), (6107, 65700), (6570, 61070), (6789, 59100), (6975, 57524), (7092, 56575), (7300, 54963), (8865, 45260), (9052, 44325), (9300, 43143), (9850, 40734), (10950, 36642), (11315, 35460), (11820, 33945), (12214, 32850), (13140, 30535), (13578, 29550), (13950, 28762), (14381, 27900), (14775, 27156), (16425, 24428), (17730, 22630), (18321, 21900), (19700, 20367)]