217151480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{353}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 606614400

約数和(自身を除く): 389462920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 353, 364, 455, 520, 676, 706, 728, 845, 910, 1183, 1352, 1412, 1690, 1765, 1820, 2197, 2366, 2471, 2824, 3380, 3530, 3640, 4394, 4589, 4732, 4942, 5915, 6760, 7060, 8788, 9178, 9464, 9884, 10985, 11830, 12355, 14120, 15379, 17576, 18356, 19768, 21970, 22945, 23660, 24710, 30758, 32123, 36712, 43940, 45890, 47320, 49420, 59657, 61516, 64246, 76895, 87880, 91780, 98840, 119314, 123032, 128492, 153790, 160615, 183560, 238628, 256984, 298285, 307580, 321230, 417599, 477256, 596570, 615160, 642460, 775541, 835198, 1193140, 1284920, 1551082, 1670396, 2087995, 2386280, 3102164, 3340792, 3877705, 4175990, 5428787, 6204328, 7755410, 8351980, 10857574, 15510820, 16703960, 21715148, 27143935, 31021640, 43430296, 54287870, 108575740, 217151480]

約数ペア:

[(1, 217151480), (2, 108575740), (4, 54287870), (5, 43430296), (7, 31021640), (8, 27143935), (10, 21715148), (13, 16703960), (14, 15510820), (20, 10857574), (26, 8351980), (28, 7755410), (35, 6204328), (40, 5428787), (52, 4175990), (56, 3877705), (65, 3340792), (70, 3102164), (91, 2386280), (104, 2087995), (130, 1670396), (140, 1551082), (169, 1284920), (182, 1193140), (260, 835198), (280, 775541), (338, 642460), (353, 615160), (364, 596570), (455, 477256), (520, 417599), (676, 321230), (706, 307580), (728, 298285), (845, 256984), (910, 238628), (1183, 183560), (1352, 160615), (1412, 153790), (1690, 128492), (1765, 123032), (1820, 119314), (2197, 98840), (2366, 91780), (2471, 87880), (2824, 76895), (3380, 64246), (3530, 61516), (3640, 59657), (4394, 49420), (4589, 47320), (4732, 45890), (4942, 43940), (5915, 36712), (6760, 32123), (7060, 30758), (8788, 24710), (9178, 23660), (9464, 22945), (9884, 21970), (10985, 19768), (11830, 18356), (12355, 17576), (14120, 15379)]