386218240

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{17749}}^1$

素因数の和:17787

約数の個数: 72

約数和(自身を含む): 979587000

約数和(自身を除く): 593368760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 17749, 21760, 35498, 70996, 88745, 141992, 177490, 283984, 301733, 354980, 567968, 603466, 709960, 1135936, 1206932, 1419920, 1508665, 2271872, 2413864, 2839840, 3017330, 4543744, 4827728, 5679680, 6034660, 9655456, 11359360, 12069320, 19310912, 22718720, 24138640, 38621824, 48277280, 77243648, 96554560, 193109120, 386218240]

約数ペア:

[(1, 386218240), (2, 193109120), (4, 96554560), (5, 77243648), (8, 48277280), (10, 38621824), (16, 24138640), (17, 22718720), (20, 19310912), (32, 12069320), (34, 11359360), (40, 9655456), (64, 6034660), (68, 5679680), (80, 4827728), (85, 4543744), (128, 3017330), (136, 2839840), (160, 2413864), (170, 2271872), (256, 1508665), (272, 1419920), (320, 1206932), (340, 1135936), (544, 709960), (640, 603466), (680, 567968), (1088, 354980), (1280, 301733), (1360, 283984), (2176, 177490), (2720, 141992), (4352, 88745), (5440, 70996), (10880, 35498), (17749, 21760)]