31304590

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 62763840

約数和(自身を除く): 31459250

約数列:

[1, 2, 5, 10, 19, 37, 38, 61, 73, 74, 95, 122, 146, 185, 190, 305, 365, 370, 610, 703, 730, 1159, 1387, 1406, 2257, 2318, 2701, 2774, 3515, 4453, 4514, 5402, 5795, 6935, 7030, 8906, 11285, 11590, 13505, 13870, 22265, 22570, 27010, 42883, 44530, 51319, 84607, 85766, 102638, 164761, 169214, 214415, 256595, 329522, 423035, 428830, 513190, 823805, 846070, 1647610, 3130459, 6260918, 15652295, 31304590]

約数ペア:

[(1, 31304590), (2, 15652295), (5, 6260918), (10, 3130459), (19, 1647610), (37, 846070), (38, 823805), (61, 513190), (73, 428830), (74, 423035), (95, 329522), (122, 256595), (146, 214415), (185, 169214), (190, 164761), (305, 102638), (365, 85766), (370, 84607), (610, 51319), (703, 44530), (730, 42883), (1159, 27010), (1387, 22570), (1406, 22265), (2257, 13870), (2318, 13505), (2701, 11590), (2774, 11285), (3515, 8906), (4453, 7030), (4514, 6935), (5402, 5795)]