208885120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:372

約数の個数: 128

約数和(自身を含む): 538021440

約数和(自身を除く): 329136320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 73, 80, 85, 128, 136, 146, 160, 170, 263, 272, 292, 320, 340, 365, 526, 544, 584, 640, 680, 730, 1052, 1088, 1168, 1241, 1315, 1360, 1460, 2104, 2176, 2336, 2482, 2630, 2720, 2920, 4208, 4471, 4672, 4964, 5260, 5440, 5840, 6205, 8416, 8942, 9344, 9928, 10520, 10880, 11680, 12410, 16832, 17884, 19199, 19856, 21040, 22355, 23360, 24820, 33664, 35768, 38398, 39712, 42080, 44710, 46720, 49640, 71536, 76796, 79424, 84160, 89420, 95995, 99280, 143072, 153592, 158848, 168320, 178840, 191990, 198560, 286144, 307184, 326383, 357680, 383980, 397120, 572288, 614368, 652766, 715360, 767960, 794240, 1228736, 1305532, 1430720, 1535920, 1631915, 2457472, 2611064, 2861440, 3071840, 3263830, 5222128, 6143680, 6527660, 10444256, 12287360, 13055320, 20888512, 26110640, 41777024, 52221280, 104442560, 208885120]

約数ペア:

[(1, 208885120), (2, 104442560), (4, 52221280), (5, 41777024), (8, 26110640), (10, 20888512), (16, 13055320), (17, 12287360), (20, 10444256), (32, 6527660), (34, 6143680), (40, 5222128), (64, 3263830), (68, 3071840), (73, 2861440), (80, 2611064), (85, 2457472), (128, 1631915), (136, 1535920), (146, 1430720), (160, 1305532), (170, 1228736), (263, 794240), (272, 767960), (292, 715360), (320, 652766), (340, 614368), (365, 572288), (526, 397120), (544, 383980), (584, 357680), (640, 326383), (680, 307184), (730, 286144), (1052, 198560), (1088, 191990), (1168, 178840), (1241, 168320), (1315, 158848), (1360, 153592), (1460, 143072), (2104, 99280), (2176, 95995), (2336, 89420), (2482, 84160), (2630, 79424), (2720, 76796), (2920, 71536), (4208, 49640), (4471, 46720), (4672, 44710), (4964, 42080), (5260, 39712), (5440, 38398), (5840, 35768), (6205, 33664), (8416, 24820), (8942, 23360), (9344, 22355), (9928, 21040), (10520, 19856), (10880, 19199), (11680, 17884), (12410, 16832)]