89994380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{701}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 221837616

約数和(自身を除く): 131843236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 131, 140, 196, 245, 262, 490, 524, 655, 701, 917, 980, 1310, 1402, 1834, 2620, 2804, 3505, 3668, 4585, 4907, 6419, 7010, 9170, 9814, 12838, 14020, 18340, 19628, 24535, 25676, 32095, 34349, 49070, 64190, 68698, 91831, 98140, 128380, 137396, 171745, 183662, 343490, 367324, 459155, 642817, 686980, 918310, 1285634, 1836620, 2571268, 3214085, 4499719, 6428170, 8999438, 12856340, 17998876, 22498595, 44997190, 89994380]

約数ペア:

[(1, 89994380), (2, 44997190), (4, 22498595), (5, 17998876), (7, 12856340), (10, 8999438), (14, 6428170), (20, 4499719), (28, 3214085), (35, 2571268), (49, 1836620), (70, 1285634), (98, 918310), (131, 686980), (140, 642817), (196, 459155), (245, 367324), (262, 343490), (490, 183662), (524, 171745), (655, 137396), (701, 128380), (917, 98140), (980, 91831), (1310, 68698), (1402, 64190), (1834, 49070), (2620, 34349), (2804, 32095), (3505, 25676), (3668, 24535), (4585, 19628), (4907, 18340), (6419, 14020), (7010, 12838), (9170, 9814)]