291230290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:947

約数の個数: 64

約数和(自身を含む): 598832640

約数和(自身を除く): 307602350

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 157, 190, 247, 314, 494, 751, 785, 1235, 1502, 1570, 2041, 2470, 2983, 3755, 4082, 5966, 7510, 9763, 10205, 14269, 14915, 19526, 20410, 28538, 29830, 38779, 48815, 71345, 77558, 97630, 117907, 142690, 185497, 193895, 235814, 370994, 387790, 589535, 927485, 1179070, 1532791, 1854970, 2240233, 3065582, 4480466, 7663955, 11201165, 15327910, 22402330, 29123029, 58246058, 145615145, 291230290]

約数ペア:

[(1, 291230290), (2, 145615145), (5, 58246058), (10, 29123029), (13, 22402330), (19, 15327910), (26, 11201165), (38, 7663955), (65, 4480466), (95, 3065582), (130, 2240233), (157, 1854970), (190, 1532791), (247, 1179070), (314, 927485), (494, 589535), (751, 387790), (785, 370994), (1235, 235814), (1502, 193895), (1570, 185497), (2041, 142690), (2470, 117907), (2983, 97630), (3755, 77558), (4082, 71345), (5966, 48815), (7510, 38779), (9763, 29830), (10205, 28538), (14269, 20410), (14915, 19526)]