7894487380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1951}}^1$

素因数の和:2249

約数の個数: 96

約数和(自身を含む): 18180771840

約数和(自身を除く): 10286284460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 197, 260, 316, 394, 395, 788, 790, 985, 1027, 1580, 1951, 1970, 2054, 2561, 3902, 3940, 4108, 5122, 5135, 7804, 9755, 10244, 10270, 12805, 15563, 19510, 20540, 25363, 25610, 31126, 39020, 50726, 51220, 62252, 77815, 101452, 126815, 154129, 155630, 202319, 253630, 308258, 311260, 384347, 404638, 507260, 616516, 768694, 770645, 809276, 1011595, 1537388, 1541290, 1921735, 2003677, 2023190, 3082580, 3843470, 4007354, 4046380, 4996511, 7686940, 8014708, 9993022, 10018385, 19986044, 20036770, 24982555, 30363413, 40073540, 49965110, 60726826, 99930220, 121453652, 151817065, 303634130, 394724369, 607268260, 789448738, 1578897476, 1973621845, 3947243690, 7894487380]

約数ペア:

[(1, 7894487380), (2, 3947243690), (4, 1973621845), (5, 1578897476), (10, 789448738), (13, 607268260), (20, 394724369), (26, 303634130), (52, 151817065), (65, 121453652), (79, 99930220), (130, 60726826), (158, 49965110), (197, 40073540), (260, 30363413), (316, 24982555), (394, 20036770), (395, 19986044), (788, 10018385), (790, 9993022), (985, 8014708), (1027, 7686940), (1580, 4996511), (1951, 4046380), (1970, 4007354), (2054, 3843470), (2561, 3082580), (3902, 2023190), (3940, 2003677), (4108, 1921735), (5122, 1541290), (5135, 1537388), (7804, 1011595), (9755, 809276), (10244, 770645), (10270, 768694), (12805, 616516), (15563, 507260), (19510, 404638), (20540, 384347), (25363, 311260), (25610, 308258), (31126, 253630), (39020, 202319), (50726, 155630), (51220, 154129), (62252, 126815), (77815, 101452)]