421382000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:908

約数の個数: 160

約数和(自身を含む): 1156384320

約数和(自身を除く): 735002320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 38, 40, 50, 52, 65, 76, 80, 95, 100, 104, 125, 130, 152, 190, 200, 208, 247, 250, 260, 304, 325, 380, 400, 475, 494, 500, 520, 650, 760, 853, 950, 988, 1000, 1040, 1235, 1300, 1520, 1625, 1706, 1900, 1976, 2000, 2375, 2470, 2600, 3250, 3412, 3800, 3952, 4265, 4750, 4940, 5200, 6175, 6500, 6824, 7600, 8530, 9500, 9880, 11089, 12350, 13000, 13648, 16207, 17060, 19000, 19760, 21325, 22178, 24700, 26000, 30875, 32414, 34120, 38000, 42650, 44356, 49400, 55445, 61750, 64828, 68240, 81035, 85300, 88712, 98800, 106625, 110890, 123500, 129656, 162070, 170600, 177424, 210691, 213250, 221780, 247000, 259312, 277225, 324140, 341200, 405175, 421382, 426500, 443560, 494000, 554450, 648280, 810350, 842764, 853000, 887120, 1053455, 1108900, 1296560, 1386125, 1620700, 1685528, 1706000, 2025875, 2106910, 2217800, 2772250, 3241400, 3371056, 4051750, 4213820, 4435600, 5267275, 5544500, 6482800, 8103500, 8427640, 10534550, 11089000, 16207000, 16855280, 21069100, 22178000, 26336375, 32414000, 42138200, 52672750, 84276400, 105345500, 210691000, 421382000]

約数ペア:

[(1, 421382000), (2, 210691000), (4, 105345500), (5, 84276400), (8, 52672750), (10, 42138200), (13, 32414000), (16, 26336375), (19, 22178000), (20, 21069100), (25, 16855280), (26, 16207000), (38, 11089000), (40, 10534550), (50, 8427640), (52, 8103500), (65, 6482800), (76, 5544500), (80, 5267275), (95, 4435600), (100, 4213820), (104, 4051750), (125, 3371056), (130, 3241400), (152, 2772250), (190, 2217800), (200, 2106910), (208, 2025875), (247, 1706000), (250, 1685528), (260, 1620700), (304, 1386125), (325, 1296560), (380, 1108900), (400, 1053455), (475, 887120), (494, 853000), (500, 842764), (520, 810350), (650, 648280), (760, 554450), (853, 494000), (950, 443560), (988, 426500), (1000, 421382), (1040, 405175), (1235, 341200), (1300, 324140), (1520, 277225), (1625, 259312), (1706, 247000), (1900, 221780), (1976, 213250), (2000, 210691), (2375, 177424), (2470, 170600), (2600, 162070), (3250, 129656), (3412, 123500), (3800, 110890), (3952, 106625), (4265, 98800), (4750, 88712), (4940, 85300), (5200, 81035), (6175, 68240), (6500, 64828), (6824, 61750), (7600, 55445), (8530, 49400), (9500, 44356), (9880, 42650), (11089, 38000), (12350, 34120), (13000, 32414), (13648, 30875), (16207, 26000), (17060, 24700), (19000, 22178), (19760, 21325)]