31874780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:579

約数の個数: 96

約数和(自身を含む): 84188160

約数和(自身を除く): 52313380

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 23, 28, 35, 38, 46, 70, 76, 92, 95, 115, 133, 140, 161, 190, 230, 266, 322, 380, 437, 460, 521, 532, 644, 665, 805, 874, 1042, 1330, 1610, 1748, 2084, 2185, 2605, 2660, 3059, 3220, 3647, 4370, 5210, 6118, 7294, 8740, 9899, 10420, 11983, 12236, 14588, 15295, 18235, 19798, 23966, 30590, 36470, 39596, 47932, 49495, 59915, 61180, 69293, 72940, 83881, 98990, 119830, 138586, 167762, 197980, 227677, 239660, 277172, 335524, 346465, 419405, 455354, 692930, 838810, 910708, 1138385, 1385860, 1593739, 1677620, 2276770, 3187478, 4553540, 6374956, 7968695, 15937390, 31874780]

約数ペア:

[(1, 31874780), (2, 15937390), (4, 7968695), (5, 6374956), (7, 4553540), (10, 3187478), (14, 2276770), (19, 1677620), (20, 1593739), (23, 1385860), (28, 1138385), (35, 910708), (38, 838810), (46, 692930), (70, 455354), (76, 419405), (92, 346465), (95, 335524), (115, 277172), (133, 239660), (140, 227677), (161, 197980), (190, 167762), (230, 138586), (266, 119830), (322, 98990), (380, 83881), (437, 72940), (460, 69293), (521, 61180), (532, 59915), (644, 49495), (665, 47932), (805, 39596), (874, 36470), (1042, 30590), (1330, 23966), (1610, 19798), (1748, 18235), (2084, 15295), (2185, 14588), (2605, 12236), (2660, 11983), (3059, 10420), (3220, 9899), (3647, 8740), (4370, 7294), (5210, 6118)]