211856480

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:421

約数の個数: 144

約数和(自身を含む): 569503872

約数和(自身を除く): 357647392

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 110, 121, 124, 155, 160, 176, 220, 242, 248, 310, 341, 352, 353, 440, 484, 496, 605, 620, 682, 706, 880, 968, 992, 1210, 1240, 1364, 1412, 1705, 1760, 1765, 1936, 2420, 2480, 2728, 2824, 3410, 3530, 3751, 3872, 3883, 4840, 4960, 5456, 5648, 6820, 7060, 7502, 7766, 9680, 10912, 10943, 11296, 13640, 14120, 15004, 15532, 18755, 19360, 19415, 21886, 27280, 28240, 30008, 31064, 37510, 38830, 42713, 43772, 54560, 54715, 56480, 60016, 62128, 75020, 77660, 85426, 87544, 109430, 120032, 120373, 124256, 150040, 155320, 170852, 175088, 213565, 218860, 240746, 300080, 310640, 341704, 350176, 427130, 437720, 481492, 600160, 601865, 621280, 683408, 854260, 875440, 962984, 1203730, 1324103, 1366816, 1708520, 1750880, 1925968, 2407460, 2648206, 3417040, 3851936, 4814920, 5296412, 6620515, 6834080, 9629840, 10592824, 13241030, 19259680, 21185648, 26482060, 42371296, 52964120, 105928240, 211856480]

約数ペア:

[(1, 211856480), (2, 105928240), (4, 52964120), (5, 42371296), (8, 26482060), (10, 21185648), (11, 19259680), (16, 13241030), (20, 10592824), (22, 9629840), (31, 6834080), (32, 6620515), (40, 5296412), (44, 4814920), (55, 3851936), (62, 3417040), (80, 2648206), (88, 2407460), (110, 1925968), (121, 1750880), (124, 1708520), (155, 1366816), (160, 1324103), (176, 1203730), (220, 962984), (242, 875440), (248, 854260), (310, 683408), (341, 621280), (352, 601865), (353, 600160), (440, 481492), (484, 437720), (496, 427130), (605, 350176), (620, 341704), (682, 310640), (706, 300080), (880, 240746), (968, 218860), (992, 213565), (1210, 175088), (1240, 170852), (1364, 155320), (1412, 150040), (1705, 124256), (1760, 120373), (1765, 120032), (1936, 109430), (2420, 87544), (2480, 85426), (2728, 77660), (2824, 75020), (3410, 62128), (3530, 60016), (3751, 56480), (3872, 54715), (3883, 54560), (4840, 43772), (4960, 42713), (5456, 38830), (5648, 37510), (6820, 31064), (7060, 30008), (7502, 28240), (7766, 27280), (9680, 21886), (10912, 19415), (10943, 19360), (11296, 18755), (13640, 15532), (14120, 15004)]