194680000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 140

約数和(自身を含む): 501489472

約数和(自身を除く): 306809472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 155, 157, 160, 200, 248, 250, 310, 314, 320, 400, 496, 500, 620, 625, 628, 775, 785, 800, 992, 1000, 1240, 1250, 1256, 1550, 1570, 1600, 1984, 2000, 2480, 2500, 2512, 3100, 3140, 3875, 3925, 4000, 4867, 4960, 5000, 5024, 6200, 6280, 7750, 7850, 8000, 9734, 9920, 10000, 10048, 12400, 12560, 15500, 15700, 19375, 19468, 19625, 20000, 24335, 24800, 25120, 31000, 31400, 38750, 38936, 39250, 40000, 48670, 49600, 50240, 62000, 62800, 77500, 77872, 78500, 97340, 98125, 121675, 124000, 125600, 155000, 155744, 157000, 194680, 196250, 243350, 248000, 251200, 310000, 311488, 314000, 389360, 392500, 486700, 608375, 620000, 628000, 778720, 785000, 973400, 1216750, 1240000, 1256000, 1557440, 1570000, 1946800, 2433500, 3041875, 3140000, 3893600, 4867000, 6083750, 6280000, 7787200, 9734000, 12167500, 19468000, 24335000, 38936000, 48670000, 97340000, 194680000]

約数ペア:

[(1, 194680000), (2, 97340000), (4, 48670000), (5, 38936000), (8, 24335000), (10, 19468000), (16, 12167500), (20, 9734000), (25, 7787200), (31, 6280000), (32, 6083750), (40, 4867000), (50, 3893600), (62, 3140000), (64, 3041875), (80, 2433500), (100, 1946800), (124, 1570000), (125, 1557440), (155, 1256000), (157, 1240000), (160, 1216750), (200, 973400), (248, 785000), (250, 778720), (310, 628000), (314, 620000), (320, 608375), (400, 486700), (496, 392500), (500, 389360), (620, 314000), (625, 311488), (628, 310000), (775, 251200), (785, 248000), (800, 243350), (992, 196250), (1000, 194680), (1240, 157000), (1250, 155744), (1256, 155000), (1550, 125600), (1570, 124000), (1600, 121675), (1984, 98125), (2000, 97340), (2480, 78500), (2500, 77872), (2512, 77500), (3100, 62800), (3140, 62000), (3875, 50240), (3925, 49600), (4000, 48670), (4867, 40000), (4960, 39250), (5000, 38936), (5024, 38750), (6200, 31400), (6280, 31000), (7750, 25120), (7850, 24800), (8000, 24335), (9734, 20000), (9920, 19625), (10000, 19468), (10048, 19375), (12400, 15700), (12560, 15500)]