101443780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1249}}^1$

素因数の和:1420

約数の個数: 48

約数和(自身を含む): 221760000

約数和(自身を除く): 120316220

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1249, 1310, 2498, 2620, 4061, 4996, 6245, 8122, 12490, 16244, 20305, 24980, 38719, 40610, 77438, 81220, 154876, 163619, 193595, 327238, 387190, 654476, 774380, 818095, 1636190, 3272380, 5072189, 10144378, 20288756, 25360945, 50721890, 101443780]

約数ペア:

[(1, 101443780), (2, 50721890), (4, 25360945), (5, 20288756), (10, 10144378), (20, 5072189), (31, 3272380), (62, 1636190), (124, 818095), (131, 774380), (155, 654476), (262, 387190), (310, 327238), (524, 193595), (620, 163619), (655, 154876), (1249, 81220), (1310, 77438), (2498, 40610), (2620, 38719), (4061, 24980), (4996, 20305), (6245, 16244), (8122, 12490)]