28238210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 72099072

約数和(自身を除く): 43860862

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 31, 35, 49, 55, 62, 65, 70, 77, 91, 98, 110, 130, 143, 154, 155, 169, 182, 217, 245, 286, 310, 338, 341, 385, 403, 434, 455, 490, 539, 637, 682, 715, 770, 806, 845, 910, 1001, 1078, 1085, 1183, 1274, 1430, 1519, 1690, 1705, 1859, 2002, 2015, 2170, 2366, 2387, 2695, 2821, 3038, 3185, 3410, 3718, 4030, 4433, 4774, 5005, 5239, 5390, 5642, 5915, 6370, 7007, 7595, 8281, 8866, 9295, 10010, 10478, 11830, 11935, 13013, 14014, 14105, 15190, 16562, 16709, 18590, 19747, 22165, 23870, 26026, 26195, 28210, 31031, 33418, 35035, 36673, 39494, 41405, 44330, 52390, 57629, 62062, 65065, 70070, 73346, 82810, 83545, 91091, 98735, 115258, 130130, 155155, 167090, 182182, 183365, 197470, 217217, 256711, 288145, 310310, 366730, 403403, 434434, 455455, 513422, 576290, 806806, 910910, 1086085, 1283555, 2017015, 2172170, 2567110, 2823821, 4034030, 5647642, 14119105, 28238210]

約数ペア:

[(1, 28238210), (2, 14119105), (5, 5647642), (7, 4034030), (10, 2823821), (11, 2567110), (13, 2172170), (14, 2017015), (22, 1283555), (26, 1086085), (31, 910910), (35, 806806), (49, 576290), (55, 513422), (62, 455455), (65, 434434), (70, 403403), (77, 366730), (91, 310310), (98, 288145), (110, 256711), (130, 217217), (143, 197470), (154, 183365), (155, 182182), (169, 167090), (182, 155155), (217, 130130), (245, 115258), (286, 98735), (310, 91091), (338, 83545), (341, 82810), (385, 73346), (403, 70070), (434, 65065), (455, 62062), (490, 57629), (539, 52390), (637, 44330), (682, 41405), (715, 39494), (770, 36673), (806, 35035), (845, 33418), (910, 31031), (1001, 28210), (1078, 26195), (1085, 26026), (1183, 23870), (1274, 22165), (1430, 19747), (1519, 18590), (1690, 16709), (1705, 16562), (1859, 15190), (2002, 14105), (2015, 14014), (2170, 13013), (2366, 11935), (2387, 11830), (2695, 10478), (2821, 10010), (3038, 9295), (3185, 8866), (3410, 8281), (3718, 7595), (4030, 7007), (4433, 6370), (4774, 5915), (5005, 5642), (5239, 5390)]