140918440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:899

約数の個数: 128

約数和(自身を含む): 381024000

約数和(自身を除く): 240105560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 26, 34, 38, 40, 52, 65, 68, 76, 85, 95, 104, 130, 136, 152, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 520, 646, 680, 760, 839, 884, 988, 1105, 1235, 1292, 1615, 1678, 1768, 1976, 2210, 2470, 2584, 3230, 3356, 4195, 4199, 4420, 4940, 6460, 6712, 8390, 8398, 8840, 9880, 10907, 12920, 14263, 15941, 16780, 16796, 20995, 21814, 28526, 31882, 33560, 33592, 41990, 43628, 54535, 57052, 63764, 71315, 79705, 83980, 87256, 109070, 114104, 127528, 142630, 159410, 167960, 185419, 207233, 218140, 270997, 285260, 318820, 370838, 414466, 436280, 541994, 570520, 637640, 741676, 828932, 927095, 1036165, 1083988, 1354985, 1483352, 1657864, 1854190, 2072330, 2167976, 2709970, 3522961, 3708380, 4144660, 5419940, 7045922, 7416760, 8289320, 10839880, 14091844, 17614805, 28183688, 35229610, 70459220, 140918440]

約数ペア:

[(1, 140918440), (2, 70459220), (4, 35229610), (5, 28183688), (8, 17614805), (10, 14091844), (13, 10839880), (17, 8289320), (19, 7416760), (20, 7045922), (26, 5419940), (34, 4144660), (38, 3708380), (40, 3522961), (52, 2709970), (65, 2167976), (68, 2072330), (76, 1854190), (85, 1657864), (95, 1483352), (104, 1354985), (130, 1083988), (136, 1036165), (152, 927095), (170, 828932), (190, 741676), (221, 637640), (247, 570520), (260, 541994), (323, 436280), (340, 414466), (380, 370838), (442, 318820), (494, 285260), (520, 270997), (646, 218140), (680, 207233), (760, 185419), (839, 167960), (884, 159410), (988, 142630), (1105, 127528), (1235, 114104), (1292, 109070), (1615, 87256), (1678, 83980), (1768, 79705), (1976, 71315), (2210, 63764), (2470, 57052), (2584, 54535), (3230, 43628), (3356, 41990), (4195, 33592), (4199, 33560), (4420, 31882), (4940, 28526), (6460, 21814), (6712, 20995), (8390, 16796), (8398, 16780), (8840, 15941), (9880, 14263), (10907, 12920)]