387448960

素因数分解:

$2^7\times 5^1\times {\mathrm{73}}^1\times {\mathrm{8293}}^1$

素因数の和:8385

約数の個数: 64

約数和(自身を含む): 939046680

約数和(自身を除く): 551597720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 73, 80, 128, 146, 160, 292, 320, 365, 584, 640, 730, 1168, 1460, 2336, 2920, 4672, 5840, 8293, 9344, 11680, 16586, 23360, 33172, 41465, 46720, 66344, 82930, 132688, 165860, 265376, 331720, 530752, 605389, 663440, 1061504, 1210778, 1326880, 2421556, 2653760, 3026945, 4843112, 5307520, 6053890, 9686224, 12107780, 19372448, 24215560, 38744896, 48431120, 77489792, 96862240, 193724480, 387448960]

約数ペア:

[(1, 387448960), (2, 193724480), (4, 96862240), (5, 77489792), (8, 48431120), (10, 38744896), (16, 24215560), (20, 19372448), (32, 12107780), (40, 9686224), (64, 6053890), (73, 5307520), (80, 4843112), (128, 3026945), (146, 2653760), (160, 2421556), (292, 1326880), (320, 1210778), (365, 1061504), (584, 663440), (640, 605389), (730, 530752), (1168, 331720), (1460, 265376), (2336, 165860), (2920, 132688), (4672, 82930), (5840, 66344), (8293, 46720), (9344, 41465), (11680, 33172), (16586, 23360)]