8440947220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{716549}}^1$

素因数の和:716608

約数の個数: 48

約数和(自身を含む): 19260864000

約数和(自身を除く): 10819916780

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 716549, 1433098, 2866196, 3582745, 7165490, 13614431, 14330980, 22213019, 27228862, 44426038, 54457724, 68072155, 88852076, 111065095, 136144310, 222130190, 272288620, 422047361, 444260380, 844094722, 1688189444, 2110236805, 4220473610, 8440947220]

約数ペア:

[(1, 8440947220), (2, 4220473610), (4, 2110236805), (5, 1688189444), (10, 844094722), (19, 444260380), (20, 422047361), (31, 272288620), (38, 222130190), (62, 136144310), (76, 111065095), (95, 88852076), (124, 68072155), (155, 54457724), (190, 44426038), (310, 27228862), (380, 22213019), (589, 14330980), (620, 13614431), (1178, 7165490), (2356, 3582745), (2945, 2866196), (5890, 1433098), (11780, 716549)]