201425620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 479074176

約数和(自身を除く): 277648556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 137, 163, 164, 205, 220, 274, 326, 410, 451, 548, 652, 685, 815, 820, 902, 1370, 1507, 1630, 1793, 1804, 2255, 2740, 3014, 3260, 3586, 4510, 5617, 6028, 6683, 7172, 7535, 8965, 9020, 11234, 13366, 15070, 17930, 22331, 22468, 26732, 28085, 30140, 33415, 35860, 44662, 56170, 61787, 66830, 73513, 89324, 111655, 112340, 123574, 133660, 147026, 223310, 245641, 247148, 294052, 308935, 367565, 446620, 491282, 617870, 735130, 915571, 982564, 1228205, 1235740, 1470260, 1831142, 2456410, 3662284, 4577855, 4912820, 9155710, 10071281, 18311420, 20142562, 40285124, 50356405, 100712810, 201425620]

約数ペア:

[(1, 201425620), (2, 100712810), (4, 50356405), (5, 40285124), (10, 20142562), (11, 18311420), (20, 10071281), (22, 9155710), (41, 4912820), (44, 4577855), (55, 3662284), (82, 2456410), (110, 1831142), (137, 1470260), (163, 1235740), (164, 1228205), (205, 982564), (220, 915571), (274, 735130), (326, 617870), (410, 491282), (451, 446620), (548, 367565), (652, 308935), (685, 294052), (815, 247148), (820, 245641), (902, 223310), (1370, 147026), (1507, 133660), (1630, 123574), (1793, 112340), (1804, 111655), (2255, 89324), (2740, 73513), (3014, 66830), (3260, 61787), (3586, 56170), (4510, 44662), (5617, 35860), (6028, 33415), (6683, 30140), (7172, 28085), (7535, 26732), (8965, 22468), (9020, 22331), (11234, 17930), (13366, 15070)]