161864140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{8069}}^1$

素因数の和:8154

約数の個数: 48

約数和(自身を含む): 366055200

約数和(自身を除く): 204191060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 170, 236, 295, 340, 590, 1003, 1180, 2006, 4012, 5015, 8069, 10030, 16138, 20060, 32276, 40345, 80690, 137173, 161380, 274346, 476071, 548692, 685865, 952142, 1371730, 1904284, 2380355, 2743460, 4760710, 8093207, 9521420, 16186414, 32372828, 40466035, 80932070, 161864140]

約数ペア:

[(1, 161864140), (2, 80932070), (4, 40466035), (5, 32372828), (10, 16186414), (17, 9521420), (20, 8093207), (34, 4760710), (59, 2743460), (68, 2380355), (85, 1904284), (118, 1371730), (170, 952142), (236, 685865), (295, 548692), (340, 476071), (590, 274346), (1003, 161380), (1180, 137173), (2006, 80690), (4012, 40345), (5015, 32276), (8069, 20060), (10030, 16138)]