208302890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{6983}}^1$

素因数の和:7166

約数の個数: 32

約数和(自身を含む): 397249920

約数和(自身を除く): 188947030

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2983, 5966, 6983, 13966, 14915, 29830, 34915, 69830, 132677, 265354, 663385, 1096331, 1326770, 2192662, 5481655, 10963310, 20830289, 41660578, 104151445, 208302890]

約数ペア:

[(1, 208302890), (2, 104151445), (5, 41660578), (10, 20830289), (19, 10963310), (38, 5481655), (95, 2192662), (157, 1326770), (190, 1096331), (314, 663385), (785, 265354), (1570, 132677), (2983, 69830), (5966, 34915), (6983, 29830), (13966, 14915)]