194947840

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^3\times {\mathrm{31}}^1$

素因数の和:103

約数の個数: 144

約数和(自身を含む): 512144640

約数和(自身を除く): 317196800

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 256, 272, 289, 310, 320, 340, 496, 527, 544, 578, 620, 640, 680, 992, 1054, 1088, 1156, 1240, 1280, 1360, 1445, 1984, 2108, 2176, 2312, 2480, 2635, 2720, 2890, 3968, 4216, 4352, 4624, 4913, 4960, 5270, 5440, 5780, 7936, 8432, 8959, 9248, 9826, 9920, 10540, 10880, 11560, 16864, 17918, 18496, 19652, 19840, 21080, 21760, 23120, 24565, 33728, 35836, 36992, 39304, 39680, 42160, 44795, 46240, 49130, 67456, 71672, 73984, 78608, 84320, 89590, 92480, 98260, 134912, 143344, 152303, 157216, 168640, 179180, 184960, 196520, 286688, 304606, 314432, 337280, 358360, 369920, 393040, 573376, 609212, 628864, 674560, 716720, 761515, 786080, 1146752, 1218424, 1257728, 1433440, 1523030, 1572160, 2293504, 2436848, 2866880, 3046060, 3144320, 4873696, 5733760, 6092120, 6288640, 9747392, 11467520, 12184240, 19494784, 24368480, 38989568, 48736960, 97473920, 194947840]

約数ペア:

[(1, 194947840), (2, 97473920), (4, 48736960), (5, 38989568), (8, 24368480), (10, 19494784), (16, 12184240), (17, 11467520), (20, 9747392), (31, 6288640), (32, 6092120), (34, 5733760), (40, 4873696), (62, 3144320), (64, 3046060), (68, 2866880), (80, 2436848), (85, 2293504), (124, 1572160), (128, 1523030), (136, 1433440), (155, 1257728), (160, 1218424), (170, 1146752), (248, 786080), (256, 761515), (272, 716720), (289, 674560), (310, 628864), (320, 609212), (340, 573376), (496, 393040), (527, 369920), (544, 358360), (578, 337280), (620, 314432), (640, 304606), (680, 286688), (992, 196520), (1054, 184960), (1088, 179180), (1156, 168640), (1240, 157216), (1280, 152303), (1360, 143344), (1445, 134912), (1984, 98260), (2108, 92480), (2176, 89590), (2312, 84320), (2480, 78608), (2635, 73984), (2720, 71672), (2890, 67456), (3968, 49130), (4216, 46240), (4352, 44795), (4624, 42160), (4913, 39680), (4960, 39304), (5270, 36992), (5440, 35836), (5780, 33728), (7936, 24565), (8432, 23120), (8959, 21760), (9248, 21080), (9826, 19840), (9920, 19652), (10540, 18496), (10880, 17918), (11560, 16864)]