189361640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 128

約数和(自身を含む): 502225920

約数和(自身を除く): 312864280

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 221, 248, 260, 310, 340, 403, 442, 520, 527, 620, 680, 691, 806, 884, 1054, 1105, 1240, 1382, 1612, 1768, 2015, 2108, 2210, 2635, 2764, 3224, 3455, 4030, 4216, 4420, 5270, 5528, 6851, 6910, 8060, 8840, 8983, 10540, 11747, 13702, 13820, 16120, 17966, 21080, 21421, 23494, 27404, 27640, 34255, 35932, 42842, 44915, 46988, 54808, 58735, 68510, 71864, 85684, 89830, 93976, 107105, 117470, 137020, 152711, 171368, 179660, 214210, 234940, 274040, 278473, 305422, 359320, 364157, 428420, 469880, 556946, 610844, 728314, 763555, 856840, 1113892, 1221688, 1392365, 1456628, 1527110, 1820785, 2227784, 2784730, 2913256, 3054220, 3641570, 4734041, 5569460, 6108440, 7283140, 9468082, 11138920, 14566280, 18936164, 23670205, 37872328, 47340410, 94680820, 189361640]

約数ペア:

[(1, 189361640), (2, 94680820), (4, 47340410), (5, 37872328), (8, 23670205), (10, 18936164), (13, 14566280), (17, 11138920), (20, 9468082), (26, 7283140), (31, 6108440), (34, 5569460), (40, 4734041), (52, 3641570), (62, 3054220), (65, 2913256), (68, 2784730), (85, 2227784), (104, 1820785), (124, 1527110), (130, 1456628), (136, 1392365), (155, 1221688), (170, 1113892), (221, 856840), (248, 763555), (260, 728314), (310, 610844), (340, 556946), (403, 469880), (442, 428420), (520, 364157), (527, 359320), (620, 305422), (680, 278473), (691, 274040), (806, 234940), (884, 214210), (1054, 179660), (1105, 171368), (1240, 152711), (1382, 137020), (1612, 117470), (1768, 107105), (2015, 93976), (2108, 89830), (2210, 85684), (2635, 71864), (2764, 68510), (3224, 58735), (3455, 54808), (4030, 46988), (4216, 44915), (4420, 42842), (5270, 35932), (5528, 34255), (6851, 27640), (6910, 27404), (8060, 23494), (8840, 21421), (8983, 21080), (10540, 17966), (11747, 16120), (13702, 13820)]