1388897860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{5059}}^1$

素因数の和:5165

約数の個数: 96

約数和(自身を含む): 3488728320

約数和(自身を除く): 2099830460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 53, 70, 74, 106, 140, 148, 185, 212, 259, 265, 370, 371, 518, 530, 740, 742, 1036, 1060, 1295, 1484, 1855, 1961, 2590, 3710, 3922, 5059, 5180, 7420, 7844, 9805, 10118, 13727, 19610, 20236, 25295, 27454, 35413, 39220, 50590, 54908, 68635, 70826, 101180, 137270, 141652, 177065, 187183, 268127, 274540, 354130, 374366, 536254, 708260, 748732, 935915, 1072508, 1310281, 1340635, 1871830, 1876889, 2620562, 2681270, 3743660, 3753778, 5241124, 5362540, 6551405, 7507556, 9384445, 9920699, 13102810, 18768890, 19841398, 26205620, 37537780, 39682796, 49603495, 69444893, 99206990, 138889786, 198413980, 277779572, 347224465, 694448930, 1388897860]

約数ペア:

[(1, 1388897860), (2, 694448930), (4, 347224465), (5, 277779572), (7, 198413980), (10, 138889786), (14, 99206990), (20, 69444893), (28, 49603495), (35, 39682796), (37, 37537780), (53, 26205620), (70, 19841398), (74, 18768890), (106, 13102810), (140, 9920699), (148, 9384445), (185, 7507556), (212, 6551405), (259, 5362540), (265, 5241124), (370, 3753778), (371, 3743660), (518, 2681270), (530, 2620562), (740, 1876889), (742, 1871830), (1036, 1340635), (1060, 1310281), (1295, 1072508), (1484, 935915), (1855, 748732), (1961, 708260), (2590, 536254), (3710, 374366), (3922, 354130), (5059, 274540), (5180, 268127), (7420, 187183), (7844, 177065), (9805, 141652), (10118, 137270), (13727, 101180), (19610, 70826), (20236, 68635), (25295, 54908), (27454, 50590), (35413, 39220)]