204942400

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:261

約数の個数: 168

約数和(自身を含む): 555589440

約数和(自身を除く): 350647040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 59, 64, 65, 80, 100, 104, 118, 130, 160, 167, 200, 208, 236, 260, 295, 320, 325, 334, 400, 416, 472, 520, 590, 650, 668, 767, 800, 832, 835, 944, 1040, 1180, 1300, 1336, 1475, 1534, 1600, 1670, 1888, 2080, 2171, 2360, 2600, 2672, 2950, 3068, 3340, 3776, 3835, 4160, 4175, 4342, 4720, 5200, 5344, 5900, 6136, 6680, 7670, 8350, 8684, 9440, 9853, 10400, 10688, 10855, 11800, 12272, 13360, 15340, 16700, 17368, 18880, 19175, 19706, 20800, 21710, 23600, 24544, 26720, 30680, 33400, 34736, 38350, 39412, 43420, 47200, 49088, 49265, 53440, 54275, 61360, 66800, 69472, 76700, 78824, 86840, 94400, 98530, 108550, 122720, 128089, 133600, 138944, 153400, 157648, 173680, 197060, 217100, 245440, 246325, 256178, 267200, 306800, 315296, 347360, 394120, 434200, 492650, 512356, 613600, 630592, 640445, 694720, 788240, 868400, 985300, 1024712, 1227200, 1280890, 1576480, 1736800, 1970600, 2049424, 2561780, 3152960, 3202225, 3473600, 3941200, 4098848, 5123560, 6404450, 7882400, 8197696, 10247120, 12808900, 15764800, 20494240, 25617800, 40988480, 51235600, 102471200, 204942400]

約数ペア:

[(1, 204942400), (2, 102471200), (4, 51235600), (5, 40988480), (8, 25617800), (10, 20494240), (13, 15764800), (16, 12808900), (20, 10247120), (25, 8197696), (26, 7882400), (32, 6404450), (40, 5123560), (50, 4098848), (52, 3941200), (59, 3473600), (64, 3202225), (65, 3152960), (80, 2561780), (100, 2049424), (104, 1970600), (118, 1736800), (130, 1576480), (160, 1280890), (167, 1227200), (200, 1024712), (208, 985300), (236, 868400), (260, 788240), (295, 694720), (320, 640445), (325, 630592), (334, 613600), (400, 512356), (416, 492650), (472, 434200), (520, 394120), (590, 347360), (650, 315296), (668, 306800), (767, 267200), (800, 256178), (832, 246325), (835, 245440), (944, 217100), (1040, 197060), (1180, 173680), (1300, 157648), (1336, 153400), (1475, 138944), (1534, 133600), (1600, 128089), (1670, 122720), (1888, 108550), (2080, 98530), (2171, 94400), (2360, 86840), (2600, 78824), (2672, 76700), (2950, 69472), (3068, 66800), (3340, 61360), (3776, 54275), (3835, 53440), (4160, 49265), (4175, 49088), (4342, 47200), (4720, 43420), (5200, 39412), (5344, 38350), (5900, 34736), (6136, 33400), (6680, 30680), (7670, 26720), (8350, 24544), (8684, 23600), (9440, 21710), (9853, 20800), (10400, 19706), (10688, 19175), (10855, 18880), (11800, 17368), (12272, 16700), (13360, 15340)]