220422400

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:169

約数の個数: 216

約数和(自身を含む): 620460288

約数和(自身を除く): 400037888

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 64, 80, 88, 100, 101, 110, 124, 128, 155, 160, 176, 200, 202, 220, 248, 256, 275, 310, 320, 341, 352, 400, 404, 440, 496, 505, 550, 620, 640, 682, 704, 775, 800, 808, 880, 992, 1010, 1100, 1111, 1240, 1280, 1364, 1408, 1550, 1600, 1616, 1705, 1760, 1984, 2020, 2200, 2222, 2480, 2525, 2728, 2816, 3100, 3131, 3200, 3232, 3410, 3520, 3968, 4040, 4400, 4444, 4960, 5050, 5456, 5555, 6200, 6262, 6400, 6464, 6820, 7040, 7936, 8080, 8525, 8800, 8888, 9920, 10100, 10912, 11110, 12400, 12524, 12928, 13640, 14080, 15655, 16160, 17050, 17600, 17776, 19840, 20200, 21824, 22220, 24800, 25048, 25856, 27280, 27775, 31310, 32320, 34100, 34441, 35200, 35552, 39680, 40400, 43648, 44440, 49600, 50096, 54560, 55550, 62620, 64640, 68200, 68882, 70400, 71104, 78275, 80800, 87296, 88880, 99200, 100192, 109120, 111100, 125240, 129280, 136400, 137764, 142208, 156550, 161600, 172205, 177760, 198400, 200384, 218240, 222200, 250480, 272800, 275528, 284416, 313100, 323200, 344410, 355520, 400768, 436480, 444400, 500960, 545600, 551056, 626200, 646400, 688820, 711040, 801536, 861025, 888800, 1001920, 1091200, 1102112, 1252400, 1377640, 1422080, 1722050, 1777600, 2003840, 2182400, 2204224, 2504800, 2755280, 3444100, 3555200, 4007680, 4408448, 5009600, 5510560, 6888200, 7110400, 8816896, 10019200, 11021120, 13776400, 20038400, 22042240, 27552800, 44084480, 55105600, 110211200, 220422400]

約数ペア:

[(1, 220422400), (2, 110211200), (4, 55105600), (5, 44084480), (8, 27552800), (10, 22042240), (11, 20038400), (16, 13776400), (20, 11021120), (22, 10019200), (25, 8816896), (31, 7110400), (32, 6888200), (40, 5510560), (44, 5009600), (50, 4408448), (55, 4007680), (62, 3555200), (64, 3444100), (80, 2755280), (88, 2504800), (100, 2204224), (101, 2182400), (110, 2003840), (124, 1777600), (128, 1722050), (155, 1422080), (160, 1377640), (176, 1252400), (200, 1102112), (202, 1091200), (220, 1001920), (248, 888800), (256, 861025), (275, 801536), (310, 711040), (320, 688820), (341, 646400), (352, 626200), (400, 551056), (404, 545600), (440, 500960), (496, 444400), (505, 436480), (550, 400768), (620, 355520), (640, 344410), (682, 323200), (704, 313100), (775, 284416), (800, 275528), (808, 272800), (880, 250480), (992, 222200), (1010, 218240), (1100, 200384), (1111, 198400), (1240, 177760), (1280, 172205), (1364, 161600), (1408, 156550), (1550, 142208), (1600, 137764), (1616, 136400), (1705, 129280), (1760, 125240), (1984, 111100), (2020, 109120), (2200, 100192), (2222, 99200), (2480, 88880), (2525, 87296), (2728, 80800), (2816, 78275), (3100, 71104), (3131, 70400), (3200, 68882), (3232, 68200), (3410, 64640), (3520, 62620), (3968, 55550), (4040, 54560), (4400, 50096), (4444, 49600), (4960, 44440), (5050, 43648), (5456, 40400), (5555, 39680), (6200, 35552), (6262, 35200), (6400, 34441), (6464, 34100), (6820, 32320), (7040, 31310), (7936, 27775), (8080, 27280), (8525, 25856), (8800, 25048), (8888, 24800), (9920, 22220), (10100, 21824), (10912, 20200), (11110, 19840), (12400, 17776), (12524, 17600), (12928, 17050), (13640, 16160), (14080, 15655)]