89910280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6959}}^1$

素因数の和:7006

約数の個数: 64

約数和(自身を含む): 225504000

約数和(自身を除く): 135593720

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 6959, 12920, 13918, 27836, 34795, 55672, 69590, 118303, 132221, 139180, 236606, 264442, 278360, 473212, 528884, 591515, 661105, 946424, 1057768, 1183030, 1322210, 2247757, 2366060, 2644420, 4495514, 4732120, 5288840, 8991028, 11238785, 17982056, 22477570, 44955140, 89910280]

約数ペア:

[(1, 89910280), (2, 44955140), (4, 22477570), (5, 17982056), (8, 11238785), (10, 8991028), (17, 5288840), (19, 4732120), (20, 4495514), (34, 2644420), (38, 2366060), (40, 2247757), (68, 1322210), (76, 1183030), (85, 1057768), (95, 946424), (136, 661105), (152, 591515), (170, 528884), (190, 473212), (323, 278360), (340, 264442), (380, 236606), (646, 139180), (680, 132221), (760, 118303), (1292, 69590), (1615, 55672), (2584, 34795), (3230, 27836), (6460, 13918), (6959, 12920)]