72212260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1303}}^1$

素因数の和:1492

約数の個数: 48

約数和(自身を含む): 161675136

約数和(自身を除く): 89462876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 652, 815, 1303, 1630, 2606, 2771, 3260, 5212, 5542, 6515, 11084, 13030, 13855, 22151, 26060, 27710, 44302, 55420, 88604, 110755, 212389, 221510, 424778, 443020, 849556, 1061945, 2123890, 3610613, 4247780, 7221226, 14442452, 18053065, 36106130, 72212260]

約数ペア:

[(1, 72212260), (2, 36106130), (4, 18053065), (5, 14442452), (10, 7221226), (17, 4247780), (20, 3610613), (34, 2123890), (68, 1061945), (85, 849556), (163, 443020), (170, 424778), (326, 221510), (340, 212389), (652, 110755), (815, 88604), (1303, 55420), (1630, 44302), (2606, 27710), (2771, 26060), (3260, 22151), (5212, 13855), (5542, 13030), (6515, 11084)]