275870980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 744399936

約数和(自身を除く): 468528956

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 157, 163, 196, 220, 245, 308, 314, 326, 385, 490, 539, 628, 652, 770, 785, 815, 980, 1078, 1099, 1141, 1540, 1570, 1630, 1727, 1793, 2156, 2198, 2282, 2695, 3140, 3260, 3454, 3586, 4396, 4564, 5390, 5495, 5705, 6908, 7172, 7693, 7987, 8635, 8965, 10780, 10990, 11410, 12089, 12551, 15386, 15974, 17270, 17930, 21980, 22820, 24178, 25102, 25591, 30772, 31948, 34540, 35860, 38465, 39935, 48356, 50204, 51182, 60445, 62755, 76930, 79870, 84623, 87857, 102364, 120890, 125510, 127955, 153860, 159740, 169246, 175714, 179137, 241780, 251020, 255910, 281501, 338492, 351428, 358274, 423115, 439285, 511820, 563002, 716548, 846230, 878570, 895685, 1126004, 1253959, 1407505, 1692460, 1757140, 1791370, 1970507, 2507918, 2815010, 3582740, 3941014, 5015836, 5630020, 6269795, 7882028, 9852535, 12539590, 13793549, 19705070, 25079180, 27587098, 39410140, 55174196, 68967745, 137935490, 275870980]

約数ペア:

[(1, 275870980), (2, 137935490), (4, 68967745), (5, 55174196), (7, 39410140), (10, 27587098), (11, 25079180), (14, 19705070), (20, 13793549), (22, 12539590), (28, 9852535), (35, 7882028), (44, 6269795), (49, 5630020), (55, 5015836), (70, 3941014), (77, 3582740), (98, 2815010), (110, 2507918), (140, 1970507), (154, 1791370), (157, 1757140), (163, 1692460), (196, 1407505), (220, 1253959), (245, 1126004), (308, 895685), (314, 878570), (326, 846230), (385, 716548), (490, 563002), (539, 511820), (628, 439285), (652, 423115), (770, 358274), (785, 351428), (815, 338492), (980, 281501), (1078, 255910), (1099, 251020), (1141, 241780), (1540, 179137), (1570, 175714), (1630, 169246), (1727, 159740), (1793, 153860), (2156, 127955), (2198, 125510), (2282, 120890), (2695, 102364), (3140, 87857), (3260, 84623), (3454, 79870), (3586, 76930), (4396, 62755), (4564, 60445), (5390, 51182), (5495, 50204), (5705, 48356), (6908, 39935), (7172, 38465), (7693, 35860), (7987, 34540), (8635, 31948), (8965, 30772), (10780, 25591), (10990, 25102), (11410, 24178), (12089, 22820), (12551, 21980), (15386, 17930), (15974, 17270)]