388188060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{497677}}^1$

素因数の和:497702

約数の個数: 48

約数和(自身を含む): 1170538656

約数和(自身を除く): 782350596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 497677, 995354, 1493031, 1990708, 2488385, 2986062, 4976770, 5972124, 6469801, 7465155, 9953540, 12939602, 14930310, 19409403, 25879204, 29860620, 32349005, 38818806, 64698010, 77637612, 97047015, 129396020, 194094030, 388188060]

約数ペア:

[(1, 388188060), (2, 194094030), (3, 129396020), (4, 97047015), (5, 77637612), (6, 64698010), (10, 38818806), (12, 32349005), (13, 29860620), (15, 25879204), (20, 19409403), (26, 14930310), (30, 12939602), (39, 9953540), (52, 7465155), (60, 6469801), (65, 5972124), (78, 4976770), (130, 2986062), (156, 2488385), (195, 1990708), (260, 1493031), (390, 995354), (780, 497677)]