291211970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{947}}^1$

素因数の和:1175

約数の個数: 64

約数和(自身を含む): 629047296

約数和(自身を除く): 337835326

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 191, 230, 322, 382, 805, 947, 955, 1337, 1610, 1894, 1910, 2674, 4393, 4735, 6629, 6685, 8786, 9470, 13258, 13370, 21781, 21965, 30751, 33145, 43562, 43930, 61502, 66290, 108905, 152467, 153755, 180877, 217810, 304934, 307510, 361754, 762335, 904385, 1266139, 1524670, 1808770, 2532278, 4160171, 6330695, 8320342, 12661390, 20800855, 29121197, 41601710, 58242394, 145605985, 291211970]

約数ペア:

[(1, 291211970), (2, 145605985), (5, 58242394), (7, 41601710), (10, 29121197), (14, 20800855), (23, 12661390), (35, 8320342), (46, 6330695), (70, 4160171), (115, 2532278), (161, 1808770), (191, 1524670), (230, 1266139), (322, 904385), (382, 762335), (805, 361754), (947, 307510), (955, 304934), (1337, 217810), (1610, 180877), (1894, 153755), (1910, 152467), (2674, 108905), (4393, 66290), (4735, 61502), (6629, 43930), (6685, 43562), (8786, 33145), (9470, 30751), (13258, 21965), (13370, 21781)]