397786480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{541}}^1$

素因数の和:675

約数の個数: 160

約数和(自身を含む): 1151676288

約数和(自身を除く): 753889808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 101, 104, 112, 130, 140, 182, 202, 208, 260, 280, 364, 404, 455, 505, 520, 541, 560, 707, 728, 808, 910, 1010, 1040, 1082, 1313, 1414, 1456, 1616, 1820, 2020, 2164, 2626, 2705, 2828, 3535, 3640, 3787, 4040, 4328, 5252, 5410, 5656, 6565, 7033, 7070, 7280, 7574, 8080, 8656, 9191, 10504, 10820, 11312, 13130, 14066, 14140, 15148, 18382, 18935, 21008, 21640, 26260, 28132, 28280, 30296, 35165, 36764, 37870, 43280, 45955, 49231, 52520, 54641, 56264, 56560, 60592, 70330, 73528, 75740, 91910, 98462, 105040, 109282, 112528, 140660, 147056, 151480, 183820, 196924, 218564, 246155, 273205, 281320, 302960, 367640, 382487, 393848, 437128, 492310, 546410, 562640, 710333, 735280, 764974, 787696, 874256, 984620, 1092820, 1420666, 1529948, 1912435, 1969240, 2185640, 2841332, 3059896, 3551665, 3824870, 3938480, 4371280, 4972331, 5682664, 6119792, 7103330, 7649740, 9944662, 11365328, 14206660, 15299480, 19889324, 24861655, 28413320, 30598960, 39778648, 49723310, 56826640, 79557296, 99446620, 198893240, 397786480]

約数ペア:

[(1, 397786480), (2, 198893240), (4, 99446620), (5, 79557296), (7, 56826640), (8, 49723310), (10, 39778648), (13, 30598960), (14, 28413320), (16, 24861655), (20, 19889324), (26, 15299480), (28, 14206660), (35, 11365328), (40, 9944662), (52, 7649740), (56, 7103330), (65, 6119792), (70, 5682664), (80, 4972331), (91, 4371280), (101, 3938480), (104, 3824870), (112, 3551665), (130, 3059896), (140, 2841332), (182, 2185640), (202, 1969240), (208, 1912435), (260, 1529948), (280, 1420666), (364, 1092820), (404, 984620), (455, 874256), (505, 787696), (520, 764974), (541, 735280), (560, 710333), (707, 562640), (728, 546410), (808, 492310), (910, 437128), (1010, 393848), (1040, 382487), (1082, 367640), (1313, 302960), (1414, 281320), (1456, 273205), (1616, 246155), (1820, 218564), (2020, 196924), (2164, 183820), (2626, 151480), (2705, 147056), (2828, 140660), (3535, 112528), (3640, 109282), (3787, 105040), (4040, 98462), (4328, 91910), (5252, 75740), (5410, 73528), (5656, 70330), (6565, 60592), (7033, 56560), (7070, 56264), (7280, 54641), (7574, 52520), (8080, 49231), (8656, 45955), (9191, 43280), (10504, 37870), (10820, 36764), (11312, 35165), (13130, 30296), (14066, 28280), (14140, 28132), (15148, 26260), (18382, 21640), (18935, 21008)]