28753230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{89}}^2$

素因数の和:210

約数の個数: 72

約数和(自身を含む): 76713336

約数和(自身を除く): 47960106

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 89, 110, 121, 165, 178, 242, 267, 330, 363, 445, 534, 605, 726, 890, 979, 1210, 1335, 1815, 1958, 2670, 2937, 3630, 4895, 5874, 7921, 9790, 10769, 14685, 15842, 21538, 23763, 29370, 32307, 39605, 47526, 53845, 64614, 79210, 87131, 107690, 118815, 161535, 174262, 237630, 261393, 323070, 435655, 522786, 871310, 958441, 1306965, 1916882, 2613930, 2875323, 4792205, 5750646, 9584410, 14376615, 28753230]

約数ペア:

[(1, 28753230), (2, 14376615), (3, 9584410), (5, 5750646), (6, 4792205), (10, 2875323), (11, 2613930), (15, 1916882), (22, 1306965), (30, 958441), (33, 871310), (55, 522786), (66, 435655), (89, 323070), (110, 261393), (121, 237630), (165, 174262), (178, 161535), (242, 118815), (267, 107690), (330, 87131), (363, 79210), (445, 64614), (534, 53845), (605, 47526), (726, 39605), (890, 32307), (979, 29370), (1210, 23763), (1335, 21538), (1815, 15842), (1958, 14685), (2670, 10769), (2937, 9790), (3630, 7921), (4895, 5874)]