438045190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6761}}^1$

素因数の和:6829

約数の個数: 64

約数和(自身を含む): 934778880

約数和(自身を除く): 496733690

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 310, 341, 418, 589, 682, 1045, 1178, 1705, 2090, 2945, 3410, 5890, 6479, 6761, 12958, 13522, 32395, 33805, 64790, 67610, 74371, 128459, 148742, 209591, 256918, 371855, 419182, 642295, 743710, 1047955, 1284590, 1413049, 2095910, 2305501, 2826098, 3982229, 4611002, 7065245, 7964458, 11527505, 14130490, 19911145, 23055010, 39822290, 43804519, 87609038, 219022595, 438045190]

約数ペア:

[(1, 438045190), (2, 219022595), (5, 87609038), (10, 43804519), (11, 39822290), (19, 23055010), (22, 19911145), (31, 14130490), (38, 11527505), (55, 7964458), (62, 7065245), (95, 4611002), (110, 3982229), (155, 2826098), (190, 2305501), (209, 2095910), (310, 1413049), (341, 1284590), (418, 1047955), (589, 743710), (682, 642295), (1045, 419182), (1178, 371855), (1705, 256918), (2090, 209591), (2945, 148742), (3410, 128459), (5890, 74371), (6479, 67610), (6761, 64790), (12958, 33805), (13522, 32395)]