2019957980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{829}}^1\times {\mathrm{5297}}^1$

素因数の和:6158

約数の個数: 48

約数和(自身を含む): 4432518720

約数和(自身を除く): 2412560740

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 829, 1658, 3316, 4145, 5297, 8290, 10594, 16580, 19067, 21188, 26485, 38134, 52970, 76268, 95335, 105940, 121831, 190670, 243662, 381340, 487324, 609155, 1218310, 2436620, 4391213, 8782426, 17564852, 21956065, 43912130, 87824260, 100997899, 201995798, 403991596, 504989495, 1009978990, 2019957980]

約数ペア:

[(1, 2019957980), (2, 1009978990), (4, 504989495), (5, 403991596), (10, 201995798), (20, 100997899), (23, 87824260), (46, 43912130), (92, 21956065), (115, 17564852), (230, 8782426), (460, 4391213), (829, 2436620), (1658, 1218310), (3316, 609155), (4145, 487324), (5297, 381340), (8290, 243662), (10594, 190670), (16580, 121831), (19067, 105940), (21188, 95335), (26485, 76268), (38134, 52970)]