201519790

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{6899}}^1$

素因数の和:7056

約数の個数: 32

約数和(自身を含む): 381542400

約数和(自身を除く): 180022610

約数列:

[1, 2, 5, 10, 23, 46, 115, 127, 230, 254, 635, 1270, 2921, 5842, 6899, 13798, 14605, 29210, 34495, 68990, 158677, 317354, 793385, 876173, 1586770, 1752346, 4380865, 8761730, 20151979, 40303958, 100759895, 201519790]

約数ペア:

[(1, 201519790), (2, 100759895), (5, 40303958), (10, 20151979), (23, 8761730), (46, 4380865), (115, 1752346), (127, 1586770), (230, 876173), (254, 793385), (635, 317354), (1270, 158677), (2921, 68990), (5842, 34495), (6899, 29210), (13798, 14605)]