431387990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{541}}^1\times {\mathrm{659}}^1$

素因数の和:1229

約数の個数: 48

約数和(自身を含む): 856381680

約数和(自身を除く): 424993690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 541, 605, 659, 1082, 1210, 1318, 2705, 3295, 5410, 5951, 6590, 7249, 11902, 14498, 29755, 36245, 59510, 65461, 72490, 79739, 130922, 159478, 327305, 356519, 398695, 654610, 713038, 797390, 1782595, 3565190, 3921709, 7843418, 19608545, 39217090, 43138799, 86277598, 215693995, 431387990]

約数ペア:

[(1, 431387990), (2, 215693995), (5, 86277598), (10, 43138799), (11, 39217090), (22, 19608545), (55, 7843418), (110, 3921709), (121, 3565190), (242, 1782595), (541, 797390), (605, 713038), (659, 654610), (1082, 398695), (1210, 356519), (1318, 327305), (2705, 159478), (3295, 130922), (5410, 79739), (5951, 72490), (6590, 65461), (7249, 59510), (11902, 36245), (14498, 29755)]