249190400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 641833920

約数和(自身を除く): 392643520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 157, 160, 200, 248, 256, 310, 314, 320, 400, 496, 512, 620, 628, 640, 775, 785, 800, 992, 1024, 1240, 1256, 1280, 1550, 1570, 1600, 1984, 2048, 2480, 2512, 2560, 3100, 3140, 3200, 3925, 3968, 4867, 4960, 5024, 5120, 6200, 6280, 6400, 7850, 7936, 9734, 9920, 10048, 10240, 12400, 12560, 12800, 15700, 15872, 19468, 19840, 20096, 24335, 24800, 25120, 25600, 31400, 31744, 38936, 39680, 40192, 48670, 49600, 50240, 51200, 62800, 63488, 77872, 79360, 80384, 97340, 99200, 100480, 121675, 125600, 155744, 158720, 160768, 194680, 198400, 200960, 243350, 251200, 311488, 317440, 321536, 389360, 396800, 401920, 486700, 502400, 622976, 778720, 793600, 803840, 973400, 1004800, 1245952, 1557440, 1587200, 1607680, 1946800, 2009600, 2491904, 3114880, 3893600, 4019200, 4983808, 6229760, 7787200, 8038400, 9967616, 12459520, 15574400, 24919040, 31148800, 49838080, 62297600, 124595200, 249190400]

約数ペア:

[(1, 249190400), (2, 124595200), (4, 62297600), (5, 49838080), (8, 31148800), (10, 24919040), (16, 15574400), (20, 12459520), (25, 9967616), (31, 8038400), (32, 7787200), (40, 6229760), (50, 4983808), (62, 4019200), (64, 3893600), (80, 3114880), (100, 2491904), (124, 2009600), (128, 1946800), (155, 1607680), (157, 1587200), (160, 1557440), (200, 1245952), (248, 1004800), (256, 973400), (310, 803840), (314, 793600), (320, 778720), (400, 622976), (496, 502400), (512, 486700), (620, 401920), (628, 396800), (640, 389360), (775, 321536), (785, 317440), (800, 311488), (992, 251200), (1024, 243350), (1240, 200960), (1256, 198400), (1280, 194680), (1550, 160768), (1570, 158720), (1600, 155744), (1984, 125600), (2048, 121675), (2480, 100480), (2512, 99200), (2560, 97340), (3100, 80384), (3140, 79360), (3200, 77872), (3925, 63488), (3968, 62800), (4867, 51200), (4960, 50240), (5024, 49600), (5120, 48670), (6200, 40192), (6280, 39680), (6400, 38936), (7850, 31744), (7936, 31400), (9734, 25600), (9920, 25120), (10048, 24800), (10240, 24335), (12400, 20096), (12560, 19840), (12800, 19468), (15700, 15872)]