39718930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 80352000

約数和(自身を除く): 40633070

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 61, 95, 115, 122, 149, 190, 230, 298, 305, 437, 610, 745, 874, 1159, 1403, 1490, 2185, 2318, 2806, 2831, 3427, 4370, 5662, 5795, 6854, 7015, 9089, 11590, 14030, 14155, 17135, 18178, 26657, 28310, 34270, 45445, 53314, 65113, 90890, 130226, 133285, 172691, 209047, 266570, 325565, 345382, 418094, 651130, 863455, 1045235, 1726910, 2090470, 3971893, 7943786, 19859465, 39718930]

約数ペア:

[(1, 39718930), (2, 19859465), (5, 7943786), (10, 3971893), (19, 2090470), (23, 1726910), (38, 1045235), (46, 863455), (61, 651130), (95, 418094), (115, 345382), (122, 325565), (149, 266570), (190, 209047), (230, 172691), (298, 133285), (305, 130226), (437, 90890), (610, 65113), (745, 53314), (874, 45445), (1159, 34270), (1403, 28310), (1490, 26657), (2185, 18178), (2318, 17135), (2806, 14155), (2831, 14030), (3427, 11590), (4370, 9089), (5662, 7015), (5795, 6854)]