331301960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 851005440

約数和(自身を除く): 519703480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 107, 110, 124, 155, 214, 220, 227, 248, 310, 341, 428, 440, 454, 535, 620, 682, 856, 908, 1070, 1135, 1177, 1240, 1364, 1705, 1816, 2140, 2270, 2354, 2497, 2728, 3317, 3410, 4280, 4540, 4708, 4994, 5885, 6634, 6820, 7037, 9080, 9416, 9988, 11770, 12485, 13268, 13640, 14074, 16585, 19976, 23540, 24289, 24970, 26536, 28148, 33170, 35185, 36487, 47080, 48578, 49940, 56296, 66340, 70370, 72974, 77407, 97156, 99880, 121445, 132680, 140740, 145948, 154814, 182435, 194312, 242890, 267179, 281480, 291896, 309628, 364870, 387035, 485780, 534358, 619256, 729740, 752959, 774070, 971560, 1068716, 1335895, 1459480, 1505918, 1548140, 2137432, 2671790, 3011836, 3096280, 3764795, 5343580, 6023672, 7529590, 8282549, 10687160, 15059180, 16565098, 30118360, 33130196, 41412745, 66260392, 82825490, 165650980, 331301960]

約数ペア:

[(1, 331301960), (2, 165650980), (4, 82825490), (5, 66260392), (8, 41412745), (10, 33130196), (11, 30118360), (20, 16565098), (22, 15059180), (31, 10687160), (40, 8282549), (44, 7529590), (55, 6023672), (62, 5343580), (88, 3764795), (107, 3096280), (110, 3011836), (124, 2671790), (155, 2137432), (214, 1548140), (220, 1505918), (227, 1459480), (248, 1335895), (310, 1068716), (341, 971560), (428, 774070), (440, 752959), (454, 729740), (535, 619256), (620, 534358), (682, 485780), (856, 387035), (908, 364870), (1070, 309628), (1135, 291896), (1177, 281480), (1240, 267179), (1364, 242890), (1705, 194312), (1816, 182435), (2140, 154814), (2270, 145948), (2354, 140740), (2497, 132680), (2728, 121445), (3317, 99880), (3410, 97156), (4280, 77407), (4540, 72974), (4708, 70370), (4994, 66340), (5885, 56296), (6634, 49940), (6820, 48578), (7037, 47080), (9080, 36487), (9416, 35185), (9988, 33170), (11770, 28148), (12485, 26536), (13268, 24970), (13640, 24289), (14074, 23540), (16585, 19976)]