31190950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1$

素因数の和:494

約数の個数: 72

約数和(自身を含む): 69973200

約数和(自身を除く): 38782250

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 49, 50, 58, 70, 98, 145, 175, 203, 245, 290, 350, 406, 439, 490, 725, 878, 1015, 1225, 1421, 1450, 2030, 2195, 2450, 2842, 3073, 4390, 5075, 6146, 7105, 10150, 10975, 12731, 14210, 15365, 21511, 21950, 25462, 30730, 35525, 43022, 63655, 71050, 76825, 89117, 107555, 127310, 153650, 178234, 215110, 318275, 445585, 537775, 623819, 636550, 891170, 1075550, 1247638, 2227925, 3119095, 4455850, 6238190, 15595475, 31190950]

約数ペア:

[(1, 31190950), (2, 15595475), (5, 6238190), (7, 4455850), (10, 3119095), (14, 2227925), (25, 1247638), (29, 1075550), (35, 891170), (49, 636550), (50, 623819), (58, 537775), (70, 445585), (98, 318275), (145, 215110), (175, 178234), (203, 153650), (245, 127310), (290, 107555), (350, 89117), (406, 76825), (439, 71050), (490, 63655), (725, 43022), (878, 35525), (1015, 30730), (1225, 25462), (1421, 21950), (1450, 21511), (2030, 15365), (2195, 14210), (2450, 12731), (2842, 10975), (3073, 10150), (4390, 7105), (5075, 6146)]