2404220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1321}}^1$

素因数の和:1350

約数の個数: 48

約数和(自身を含む): 6218688

約数和(自身を除く): 3814468

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1321, 1820, 2642, 5284, 6605, 9247, 13210, 17173, 18494, 26420, 34346, 36988, 46235, 68692, 85865, 92470, 120211, 171730, 184940, 240422, 343460, 480844, 601055, 1202110, 2404220]

約数ペア:

[(1, 2404220), (2, 1202110), (4, 601055), (5, 480844), (7, 343460), (10, 240422), (13, 184940), (14, 171730), (20, 120211), (26, 92470), (28, 85865), (35, 68692), (52, 46235), (65, 36988), (70, 34346), (91, 26420), (130, 18494), (140, 17173), (182, 13210), (260, 9247), (364, 6605), (455, 5284), (910, 2642), (1321, 1820)]