398100000

素因数分解:

$2^5\times 3^1\times 5^5\times {\mathrm{1327}}^1$

素因数の和:1365

約数の個数: 144

約数和(自身を含む): 1307166336

約数和(自身を除く): 909066336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1327, 1500, 1875, 2000, 2400, 2500, 2654, 3000, 3125, 3750, 3981, 4000, 5000, 5308, 6000, 6250, 6635, 7500, 7962, 9375, 10000, 10616, 12000, 12500, 13270, 15000, 15924, 18750, 19905, 20000, 21232, 25000, 26540, 30000, 31848, 33175, 37500, 39810, 42464, 50000, 53080, 60000, 63696, 66350, 75000, 79620, 99525, 100000, 106160, 127392, 132700, 150000, 159240, 165875, 199050, 212320, 265400, 300000, 318480, 331750, 398100, 497625, 530800, 636960, 663500, 796200, 829375, 995250, 1061600, 1327000, 1592400, 1658750, 1990500, 2488125, 2654000, 3184800, 3317500, 3981000, 4146875, 4976250, 5308000, 6635000, 7962000, 8293750, 9952500, 12440625, 13270000, 15924000, 16587500, 19905000, 24881250, 26540000, 33175000, 39810000, 49762500, 66350000, 79620000, 99525000, 132700000, 199050000, 398100000]

約数ペア:

[(1, 398100000), (2, 199050000), (3, 132700000), (4, 99525000), (5, 79620000), (6, 66350000), (8, 49762500), (10, 39810000), (12, 33175000), (15, 26540000), (16, 24881250), (20, 19905000), (24, 16587500), (25, 15924000), (30, 13270000), (32, 12440625), (40, 9952500), (48, 8293750), (50, 7962000), (60, 6635000), (75, 5308000), (80, 4976250), (96, 4146875), (100, 3981000), (120, 3317500), (125, 3184800), (150, 2654000), (160, 2488125), (200, 1990500), (240, 1658750), (250, 1592400), (300, 1327000), (375, 1061600), (400, 995250), (480, 829375), (500, 796200), (600, 663500), (625, 636960), (750, 530800), (800, 497625), (1000, 398100), (1200, 331750), (1250, 318480), (1327, 300000), (1500, 265400), (1875, 212320), (2000, 199050), (2400, 165875), (2500, 159240), (2654, 150000), (3000, 132700), (3125, 127392), (3750, 106160), (3981, 100000), (4000, 99525), (5000, 79620), (5308, 75000), (6000, 66350), (6250, 63696), (6635, 60000), (7500, 53080), (7962, 50000), (9375, 42464), (10000, 39810), (10616, 37500), (12000, 33175), (12500, 31848), (13270, 30000), (15000, 26540), (15924, 25000), (18750, 21232), (19905, 20000)]