251097768

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{191}}^1$

素因数の和:284

約数の個数: 144

約数和(自身を含む): 743558400

約数和(自身を除く): 492460632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 31, 36, 38, 57, 62, 72, 76, 93, 114, 124, 152, 171, 186, 191, 228, 248, 279, 342, 372, 382, 456, 558, 573, 589, 684, 744, 764, 961, 1116, 1146, 1178, 1368, 1528, 1719, 1767, 1922, 2232, 2292, 2356, 2883, 3438, 3534, 3629, 3844, 4584, 4712, 5301, 5766, 5921, 6876, 7068, 7258, 7688, 8649, 10602, 10887, 11532, 11842, 13752, 14136, 14516, 17298, 17763, 18259, 21204, 21774, 23064, 23684, 29032, 32661, 34596, 35526, 36518, 42408, 43548, 47368, 53289, 54777, 65322, 69192, 71052, 73036, 87096, 106578, 109554, 112499, 130644, 142104, 146072, 164331, 183551, 213156, 219108, 224998, 261288, 328662, 337497, 367102, 426312, 438216, 449996, 550653, 657324, 674994, 734204, 899992, 1012491, 1101306, 1314648, 1349988, 1468408, 1651959, 2024982, 2202612, 2699976, 3303918, 3487469, 4049964, 4405224, 6607836, 6974938, 8099928, 10462407, 13215672, 13949876, 20924814, 27899752, 31387221, 41849628, 62774442, 83699256, 125548884, 251097768]

約数ペア:

[(1, 251097768), (2, 125548884), (3, 83699256), (4, 62774442), (6, 41849628), (8, 31387221), (9, 27899752), (12, 20924814), (18, 13949876), (19, 13215672), (24, 10462407), (31, 8099928), (36, 6974938), (38, 6607836), (57, 4405224), (62, 4049964), (72, 3487469), (76, 3303918), (93, 2699976), (114, 2202612), (124, 2024982), (152, 1651959), (171, 1468408), (186, 1349988), (191, 1314648), (228, 1101306), (248, 1012491), (279, 899992), (342, 734204), (372, 674994), (382, 657324), (456, 550653), (558, 449996), (573, 438216), (589, 426312), (684, 367102), (744, 337497), (764, 328662), (961, 261288), (1116, 224998), (1146, 219108), (1178, 213156), (1368, 183551), (1528, 164331), (1719, 146072), (1767, 142104), (1922, 130644), (2232, 112499), (2292, 109554), (2356, 106578), (2883, 87096), (3438, 73036), (3534, 71052), (3629, 69192), (3844, 65322), (4584, 54777), (4712, 53289), (5301, 47368), (5766, 43548), (5921, 42408), (6876, 36518), (7068, 35526), (7258, 34596), (7688, 32661), (8649, 29032), (10602, 23684), (10887, 23064), (11532, 21774), (11842, 21204), (13752, 18259), (14136, 17763), (14516, 17298)]