72869860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{74357}}^1$

素因数の和:74380

約数の個数: 36

約数和(自身を含む): 178013052

約数和(自身を除く): 105143192

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 74357, 148714, 297428, 371785, 520499, 743570, 1040998, 1487140, 2081996, 2602495, 3643493, 5204990, 7286986, 10409980, 14573972, 18217465, 36434930, 72869860]

約数ペア:

[(1, 72869860), (2, 36434930), (4, 18217465), (5, 14573972), (7, 10409980), (10, 7286986), (14, 5204990), (20, 3643493), (28, 2602495), (35, 2081996), (49, 1487140), (70, 1040998), (98, 743570), (140, 520499), (196, 371785), (245, 297428), (490, 148714), (980, 74357)]