28338310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 128

約数和(自身を含む): 72576000

約数和(自身を除く): 44237690

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 19, 22, 26, 35, 38, 55, 65, 70, 77, 91, 95, 110, 130, 133, 143, 149, 154, 182, 190, 209, 247, 266, 286, 298, 385, 418, 455, 494, 665, 715, 745, 770, 910, 1001, 1043, 1045, 1235, 1330, 1430, 1463, 1490, 1639, 1729, 1937, 2002, 2086, 2090, 2470, 2717, 2831, 2926, 3278, 3458, 3874, 5005, 5215, 5434, 5662, 7315, 8195, 8645, 9685, 10010, 10430, 11473, 13559, 13585, 14155, 14630, 16390, 17290, 19019, 19370, 19817, 21307, 22946, 27118, 27170, 28310, 31141, 36803, 38038, 39634, 42614, 57365, 62282, 67795, 73606, 95095, 99085, 106535, 114730, 135590, 149149, 155705, 184015, 190190, 198170, 213070, 217987, 257621, 298298, 311410, 368030, 404833, 435974, 515242, 745745, 809666, 1089935, 1288105, 1491490, 2024165, 2179870, 2576210, 2833831, 4048330, 5667662, 14169155, 28338310]

約数ペア:

[(1, 28338310), (2, 14169155), (5, 5667662), (7, 4048330), (10, 2833831), (11, 2576210), (13, 2179870), (14, 2024165), (19, 1491490), (22, 1288105), (26, 1089935), (35, 809666), (38, 745745), (55, 515242), (65, 435974), (70, 404833), (77, 368030), (91, 311410), (95, 298298), (110, 257621), (130, 217987), (133, 213070), (143, 198170), (149, 190190), (154, 184015), (182, 155705), (190, 149149), (209, 135590), (247, 114730), (266, 106535), (286, 99085), (298, 95095), (385, 73606), (418, 67795), (455, 62282), (494, 57365), (665, 42614), (715, 39634), (745, 38038), (770, 36803), (910, 31141), (1001, 28310), (1043, 27170), (1045, 27118), (1235, 22946), (1330, 21307), (1430, 19817), (1463, 19370), (1490, 19019), (1639, 17290), (1729, 16390), (1937, 14630), (2002, 14155), (2086, 13585), (2090, 13559), (2470, 11473), (2717, 10430), (2831, 10010), (2926, 9685), (3278, 8645), (3458, 8195), (3874, 7315), (5005, 5662), (5215, 5434)]