253751870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 496419840

約数和(自身を除く): 242667970

約数列:

[1, 2, 5, 10, 23, 41, 46, 71, 82, 115, 142, 205, 230, 355, 379, 410, 710, 758, 943, 1633, 1886, 1895, 2911, 3266, 3790, 4715, 5822, 8165, 8717, 9430, 14555, 15539, 16330, 17434, 26909, 29110, 31078, 43585, 53818, 66953, 77695, 87170, 133906, 134545, 155390, 269090, 334765, 357397, 618907, 669530, 714794, 1103269, 1237814, 1786985, 2206538, 3094535, 3573970, 5516345, 6189070, 11032690, 25375187, 50750374, 126875935, 253751870]

約数ペア:

[(1, 253751870), (2, 126875935), (5, 50750374), (10, 25375187), (23, 11032690), (41, 6189070), (46, 5516345), (71, 3573970), (82, 3094535), (115, 2206538), (142, 1786985), (205, 1237814), (230, 1103269), (355, 714794), (379, 669530), (410, 618907), (710, 357397), (758, 334765), (943, 269090), (1633, 155390), (1886, 134545), (1895, 133906), (2911, 87170), (3266, 77695), (3790, 66953), (4715, 53818), (5822, 43585), (8165, 31078), (8717, 29110), (9430, 26909), (14555, 17434), (15539, 16330)]