217871320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 533148480

約数和(自身を除く): 315277160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 47, 68, 85, 94, 136, 170, 188, 235, 289, 340, 376, 401, 470, 578, 680, 799, 802, 940, 1156, 1445, 1598, 1604, 1880, 2005, 2312, 2890, 3196, 3208, 3995, 4010, 5780, 6392, 6817, 7990, 8020, 11560, 13583, 13634, 15980, 16040, 18847, 27166, 27268, 31960, 34085, 37694, 54332, 54536, 67915, 68170, 75388, 94235, 108664, 115889, 135830, 136340, 150776, 188470, 231778, 271660, 272680, 320399, 376940, 463556, 543320, 579445, 640798, 753880, 927112, 1158890, 1281596, 1601995, 2317780, 2563192, 3203990, 4635560, 5446783, 6407980, 10893566, 12815960, 21787132, 27233915, 43574264, 54467830, 108935660, 217871320]

約数ペア:

[(1, 217871320), (2, 108935660), (4, 54467830), (5, 43574264), (8, 27233915), (10, 21787132), (17, 12815960), (20, 10893566), (34, 6407980), (40, 5446783), (47, 4635560), (68, 3203990), (85, 2563192), (94, 2317780), (136, 1601995), (170, 1281596), (188, 1158890), (235, 927112), (289, 753880), (340, 640798), (376, 579445), (401, 543320), (470, 463556), (578, 376940), (680, 320399), (799, 272680), (802, 271660), (940, 231778), (1156, 188470), (1445, 150776), (1598, 136340), (1604, 135830), (1880, 115889), (2005, 108664), (2312, 94235), (2890, 75388), (3196, 68170), (3208, 67915), (3995, 54536), (4010, 54332), (5780, 37694), (6392, 34085), (6817, 31960), (7990, 27268), (8020, 27166), (11560, 18847), (13583, 16040), (13634, 15980)]