161803460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{88903}}^1$

素因数の和:88932

約数の個数: 48

約数和(自身を含む): 418204416

約数和(自身を除く): 256400956

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, 1820, 88903, 177806, 355612, 444515, 622321, 889030, 1155739, 1244642, 1778060, 2311478, 2489284, 3111605, 4622956, 5778695, 6223210, 8090173, 11557390, 12446420, 16180346, 23114780, 32360692, 40450865, 80901730, 161803460]

約数ペア:

[(1, 161803460), (2, 80901730), (4, 40450865), (5, 32360692), (7, 23114780), (10, 16180346), (13, 12446420), (14, 11557390), (20, 8090173), (26, 6223210), (28, 5778695), (35, 4622956), (52, 3111605), (65, 2489284), (70, 2311478), (91, 1778060), (130, 1244642), (140, 1155739), (182, 889030), (260, 622321), (364, 444515), (455, 355612), (910, 177806), (1820, 88903)]