304870390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:286

約数の個数: 96

約数和(自身を含む): 646380000

約数和(自身を除く): 341509610

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 89, 95, 110, 121, 149, 178, 190, 209, 242, 298, 418, 445, 605, 745, 890, 979, 1045, 1210, 1490, 1639, 1691, 1958, 2090, 2299, 2831, 3278, 3382, 4598, 4895, 5662, 8195, 8455, 9790, 10769, 11495, 13261, 14155, 16390, 16910, 18029, 18601, 21538, 22990, 26522, 28310, 31141, 36058, 37202, 53845, 62282, 66305, 90145, 93005, 107690, 132610, 145871, 155705, 180290, 186010, 204611, 251959, 291742, 311410, 342551, 409222, 503918, 685102, 729355, 1023055, 1259795, 1458710, 1604581, 1712755, 2046110, 2519590, 2771549, 3209162, 3425510, 5543098, 8022905, 13857745, 16045810, 27715490, 30487039, 60974078, 152435195, 304870390]

約数ペア:

[(1, 304870390), (2, 152435195), (5, 60974078), (10, 30487039), (11, 27715490), (19, 16045810), (22, 13857745), (38, 8022905), (55, 5543098), (89, 3425510), (95, 3209162), (110, 2771549), (121, 2519590), (149, 2046110), (178, 1712755), (190, 1604581), (209, 1458710), (242, 1259795), (298, 1023055), (418, 729355), (445, 685102), (605, 503918), (745, 409222), (890, 342551), (979, 311410), (1045, 291742), (1210, 251959), (1490, 204611), (1639, 186010), (1691, 180290), (1958, 155705), (2090, 145871), (2299, 132610), (2831, 107690), (3278, 93005), (3382, 90145), (4598, 66305), (4895, 62282), (5662, 53845), (8195, 37202), (8455, 36058), (9790, 31141), (10769, 28310), (11495, 26522), (13261, 22990), (14155, 21538), (16390, 18601), (16910, 18029)]