30750940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 72260496

約数和(自身を除く): 41509556

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 121, 131, 194, 220, 242, 262, 388, 484, 485, 524, 605, 655, 970, 1067, 1210, 1310, 1441, 1940, 2134, 2420, 2620, 2882, 4268, 5335, 5764, 7205, 10670, 11737, 12707, 14410, 15851, 21340, 23474, 25414, 28820, 31702, 46948, 50828, 58685, 63404, 63535, 79255, 117370, 127070, 139777, 158510, 234740, 254140, 279554, 317020, 559108, 698885, 1397770, 1537547, 2795540, 3075094, 6150188, 7687735, 15375470, 30750940]

約数ペア:

[(1, 30750940), (2, 15375470), (4, 7687735), (5, 6150188), (10, 3075094), (11, 2795540), (20, 1537547), (22, 1397770), (44, 698885), (55, 559108), (97, 317020), (110, 279554), (121, 254140), (131, 234740), (194, 158510), (220, 139777), (242, 127070), (262, 117370), (388, 79255), (484, 63535), (485, 63404), (524, 58685), (605, 50828), (655, 46948), (970, 31702), (1067, 28820), (1210, 25414), (1310, 23474), (1441, 21340), (1940, 15851), (2134, 14410), (2420, 12707), (2620, 11737), (2882, 10670), (4268, 7205), (5335, 5764)]