208977200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:955

約数の個数: 120

約数和(自身を含む): 546155520

約数和(自身を除く): 337178320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 589, 620, 760, 775, 887, 950, 1178, 1240, 1520, 1550, 1774, 1900, 2356, 2480, 2945, 3100, 3548, 3800, 4435, 4712, 5890, 6200, 7096, 7600, 8870, 9424, 11780, 12400, 14192, 14725, 16853, 17740, 22175, 23560, 27497, 29450, 33706, 35480, 44350, 47120, 54994, 58900, 67412, 70960, 84265, 88700, 109988, 117800, 134824, 137485, 168530, 177400, 219976, 235600, 269648, 274970, 337060, 354800, 421325, 439952, 522443, 549940, 674120, 687425, 842650, 1044886, 1099880, 1348240, 1374850, 1685300, 2089772, 2199760, 2612215, 2749700, 3370600, 4179544, 5224430, 5499400, 6741200, 8359088, 10448860, 10998800, 13061075, 20897720, 26122150, 41795440, 52244300, 104488600, 208977200]

約数ペア:

[(1, 208977200), (2, 104488600), (4, 52244300), (5, 41795440), (8, 26122150), (10, 20897720), (16, 13061075), (19, 10998800), (20, 10448860), (25, 8359088), (31, 6741200), (38, 5499400), (40, 5224430), (50, 4179544), (62, 3370600), (76, 2749700), (80, 2612215), (95, 2199760), (100, 2089772), (124, 1685300), (152, 1374850), (155, 1348240), (190, 1099880), (200, 1044886), (248, 842650), (304, 687425), (310, 674120), (380, 549940), (400, 522443), (475, 439952), (496, 421325), (589, 354800), (620, 337060), (760, 274970), (775, 269648), (887, 235600), (950, 219976), (1178, 177400), (1240, 168530), (1520, 137485), (1550, 134824), (1774, 117800), (1900, 109988), (2356, 88700), (2480, 84265), (2945, 70960), (3100, 67412), (3548, 58900), (3800, 54994), (4435, 47120), (4712, 44350), (5890, 35480), (6200, 33706), (7096, 29450), (7600, 27497), (8870, 23560), (9424, 22175), (11780, 17740), (12400, 16853), (14192, 14725)]