218285440

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20063}}^1$

素因数の和:20099

約数の個数: 64

約数和(自身を含む): 552562560

約数和(自身を除く): 334277120

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 20063, 40126, 80252, 100315, 160504, 200630, 321008, 341071, 401260, 642016, 682142, 802520, 1284032, 1364284, 1605040, 1705355, 2568064, 2728568, 3210080, 3410710, 5457136, 6420160, 6821420, 10914272, 12840320, 13642840, 21828544, 27285680, 43657088, 54571360, 109142720, 218285440]

約数ペア:

[(1, 218285440), (2, 109142720), (4, 54571360), (5, 43657088), (8, 27285680), (10, 21828544), (16, 13642840), (17, 12840320), (20, 10914272), (32, 6821420), (34, 6420160), (40, 5457136), (64, 3410710), (68, 3210080), (80, 2728568), (85, 2568064), (128, 1705355), (136, 1605040), (160, 1364284), (170, 1284032), (272, 802520), (320, 682142), (340, 642016), (544, 401260), (640, 341071), (680, 321008), (1088, 200630), (1360, 160504), (2176, 100315), (2720, 80252), (5440, 40126), (10880, 20063)]