221401590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{523}}^1$

素因数の和:773

約数の個数: 64

約数和(自身を含む): 541472256

約数和(自身を除く): 320070666

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 137, 206, 274, 309, 411, 515, 523, 618, 685, 822, 1030, 1046, 1370, 1545, 1569, 2055, 2615, 3090, 3138, 4110, 5230, 7845, 14111, 15690, 28222, 42333, 53869, 70555, 71651, 84666, 107738, 141110, 143302, 161607, 211665, 214953, 269345, 323214, 358255, 423330, 429906, 538690, 716510, 808035, 1074765, 1616070, 2149530, 7380053, 14760106, 22140159, 36900265, 44280318, 73800530, 110700795, 221401590]

約数ペア:

[(1, 221401590), (2, 110700795), (3, 73800530), (5, 44280318), (6, 36900265), (10, 22140159), (15, 14760106), (30, 7380053), (103, 2149530), (137, 1616070), (206, 1074765), (274, 808035), (309, 716510), (411, 538690), (515, 429906), (523, 423330), (618, 358255), (685, 323214), (822, 269345), (1030, 214953), (1046, 211665), (1370, 161607), (1545, 143302), (1569, 141110), (2055, 107738), (2615, 84666), (3090, 71651), (3138, 70555), (4110, 53869), (5230, 42333), (7845, 28222), (14111, 15690)]