349947520

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{42061}}^1$

素因数の和:42093

約数の個数: 64

約数和(自身を含む): 900968040

約数和(自身を除く): 551020520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 42061, 84122, 168244, 210305, 336488, 420610, 546793, 672976, 841220, 1093586, 1345952, 1682440, 2187172, 2691904, 2733965, 3364880, 4374344, 5383808, 5467930, 6729760, 8748688, 10935860, 13459520, 17497376, 21871720, 26919040, 34994752, 43743440, 69989504, 87486880, 174973760, 349947520]

約数ペア:

[(1, 349947520), (2, 174973760), (4, 87486880), (5, 69989504), (8, 43743440), (10, 34994752), (13, 26919040), (16, 21871720), (20, 17497376), (26, 13459520), (32, 10935860), (40, 8748688), (52, 6729760), (64, 5467930), (65, 5383808), (80, 4374344), (104, 3364880), (128, 2733965), (130, 2691904), (160, 2187172), (208, 1682440), (260, 1345952), (320, 1093586), (416, 841220), (520, 672976), (640, 546793), (832, 420610), (1040, 336488), (1664, 210305), (2080, 168244), (4160, 84122), (8320, 42061)]