31409950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1$

素因数の和:250

約数の個数: 96

約数和(自身を含む): 71995392

約数和(自身を除く): 40585442

約数列:

[1, 2, 5, 10, 11, 13, 22, 23, 25, 26, 46, 50, 55, 65, 110, 115, 130, 143, 191, 230, 253, 275, 286, 299, 325, 382, 506, 550, 575, 598, 650, 715, 955, 1150, 1265, 1430, 1495, 1910, 2101, 2483, 2530, 2990, 3289, 3575, 4202, 4393, 4775, 4966, 6325, 6578, 7150, 7475, 8786, 9550, 10505, 12415, 12650, 14950, 16445, 21010, 21965, 24830, 27313, 32890, 43930, 48323, 52525, 54626, 57109, 62075, 82225, 96646, 105050, 109825, 114218, 124150, 136565, 164450, 219650, 241615, 273130, 285545, 483230, 571090, 628199, 682825, 1208075, 1256398, 1365650, 1427725, 2416150, 2855450, 3140995, 6281990, 15704975, 31409950]

約数ペア:

[(1, 31409950), (2, 15704975), (5, 6281990), (10, 3140995), (11, 2855450), (13, 2416150), (22, 1427725), (23, 1365650), (25, 1256398), (26, 1208075), (46, 682825), (50, 628199), (55, 571090), (65, 483230), (110, 285545), (115, 273130), (130, 241615), (143, 219650), (191, 164450), (230, 136565), (253, 124150), (275, 114218), (286, 109825), (299, 105050), (325, 96646), (382, 82225), (506, 62075), (550, 57109), (575, 54626), (598, 52525), (650, 48323), (715, 43930), (955, 32890), (1150, 27313), (1265, 24830), (1430, 21965), (1495, 21010), (1910, 16445), (2101, 14950), (2483, 12650), (2530, 12415), (2990, 10505), (3289, 9550), (3575, 8786), (4202, 7475), (4393, 7150), (4775, 6578), (4966, 6325)]