340144840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3815

約数の個数: 128

約数和(自身を含む): 975110400

約数和(自身を除く): 634965560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 323, 340, 380, 476, 532, 595, 646, 665, 680, 760, 952, 1064, 1190, 1292, 1330, 1615, 2261, 2380, 2584, 2660, 3230, 3761, 4522, 4760, 5320, 6460, 7522, 9044, 11305, 12920, 15044, 18088, 18805, 22610, 26327, 30088, 37610, 45220, 52654, 63937, 71459, 75220, 90440, 105308, 127874, 131635, 142918, 150440, 210616, 255748, 263270, 285836, 319685, 357295, 447559, 500213, 511496, 526540, 571672, 639370, 714590, 895118, 1000426, 1053080, 1214803, 1278740, 1429180, 1790236, 2000852, 2237795, 2429606, 2501065, 2557480, 2858360, 3580472, 4001704, 4475590, 4859212, 5002130, 6074015, 8503621, 8951180, 9718424, 10004260, 12148030, 17007242, 17902360, 20008520, 24296060, 34014484, 42518105, 48592120, 68028968, 85036210, 170072420, 340144840]

約数ペア:

[(1, 340144840), (2, 170072420), (4, 85036210), (5, 68028968), (7, 48592120), (8, 42518105), (10, 34014484), (14, 24296060), (17, 20008520), (19, 17902360), (20, 17007242), (28, 12148030), (34, 10004260), (35, 9718424), (38, 8951180), (40, 8503621), (56, 6074015), (68, 5002130), (70, 4859212), (76, 4475590), (85, 4001704), (95, 3580472), (119, 2858360), (133, 2557480), (136, 2501065), (140, 2429606), (152, 2237795), (170, 2000852), (190, 1790236), (238, 1429180), (266, 1278740), (280, 1214803), (323, 1053080), (340, 1000426), (380, 895118), (476, 714590), (532, 639370), (595, 571672), (646, 526540), (665, 511496), (680, 500213), (760, 447559), (952, 357295), (1064, 319685), (1190, 285836), (1292, 263270), (1330, 255748), (1615, 210616), (2261, 150440), (2380, 142918), (2584, 131635), (2660, 127874), (3230, 105308), (3761, 90440), (4522, 75220), (4760, 71459), (5320, 63937), (6460, 52654), (7522, 45220), (9044, 37610), (11305, 30088), (12920, 26327), (15044, 22610), (18088, 18805)]