388380650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15629}}^1$

素因数の和:15719

約数の個数: 48

約数和(自身を含む): 837267840

約数和(自身を除く): 448887190

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 71, 142, 175, 350, 355, 497, 710, 994, 1775, 2485, 3550, 4970, 12425, 15629, 24850, 31258, 78145, 109403, 156290, 218806, 390725, 547015, 781450, 1094030, 1109659, 2219318, 2735075, 5470150, 5548295, 7767613, 11096590, 15535226, 27741475, 38838065, 55482950, 77676130, 194190325, 388380650]

約数ペア:

[(1, 388380650), (2, 194190325), (5, 77676130), (7, 55482950), (10, 38838065), (14, 27741475), (25, 15535226), (35, 11096590), (50, 7767613), (70, 5548295), (71, 5470150), (142, 2735075), (175, 2219318), (350, 1109659), (355, 1094030), (497, 781450), (710, 547015), (994, 390725), (1775, 218806), (2485, 156290), (3550, 109403), (4970, 78145), (12425, 31258), (15629, 24850)]