891399730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 128

約数和(自身を含む): 1904394240

約数和(自身を除く): 1012994510

約数列:

[1, 2, 5, 10, 13, 23, 26, 31, 46, 59, 62, 65, 115, 118, 130, 155, 163, 230, 295, 299, 310, 326, 403, 590, 598, 713, 767, 806, 815, 1357, 1426, 1495, 1534, 1630, 1829, 2015, 2119, 2714, 2990, 3565, 3658, 3749, 3835, 4030, 4238, 5053, 6785, 7130, 7498, 7670, 9145, 9269, 9617, 10106, 10595, 13570, 17641, 18290, 18538, 18745, 19234, 21190, 23777, 25265, 35282, 37490, 42067, 46345, 47554, 48085, 48737, 50530, 65689, 84134, 88205, 92690, 96170, 97474, 116219, 118885, 125021, 131378, 176410, 210335, 221191, 232438, 237770, 243685, 250042, 298127, 328445, 420670, 442382, 487370, 546871, 581095, 596254, 625105, 656890, 1093742, 1105955, 1162190, 1250210, 1490635, 1510847, 2211910, 2734355, 2875483, 2981270, 3021694, 3875651, 5468710, 5750966, 6856921, 7554235, 7751302, 13713842, 14377415, 15108470, 19378255, 28754830, 34284605, 38756510, 68569210, 89139973, 178279946, 445699865, 891399730]

約数ペア:

[(1, 891399730), (2, 445699865), (5, 178279946), (10, 89139973), (13, 68569210), (23, 38756510), (26, 34284605), (31, 28754830), (46, 19378255), (59, 15108470), (62, 14377415), (65, 13713842), (115, 7751302), (118, 7554235), (130, 6856921), (155, 5750966), (163, 5468710), (230, 3875651), (295, 3021694), (299, 2981270), (310, 2875483), (326, 2734355), (403, 2211910), (590, 1510847), (598, 1490635), (713, 1250210), (767, 1162190), (806, 1105955), (815, 1093742), (1357, 656890), (1426, 625105), (1495, 596254), (1534, 581095), (1630, 546871), (1829, 487370), (2015, 442382), (2119, 420670), (2714, 328445), (2990, 298127), (3565, 250042), (3658, 243685), (3749, 237770), (3835, 232438), (4030, 221191), (4238, 210335), (5053, 176410), (6785, 131378), (7130, 125021), (7498, 118885), (7670, 116219), (9145, 97474), (9269, 96170), (9617, 92690), (10106, 88205), (10595, 84134), (13570, 65689), (17641, 50530), (18290, 48737), (18538, 48085), (18745, 47554), (19234, 46345), (21190, 42067), (23777, 37490), (25265, 35282)]