1089460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 2499840

約数和(自身を除く): 1410380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 61, 76, 94, 95, 122, 188, 190, 235, 244, 305, 380, 470, 610, 893, 940, 1159, 1220, 1786, 2318, 2867, 3572, 4465, 4636, 5734, 5795, 8930, 11468, 11590, 14335, 17860, 23180, 28670, 54473, 57340, 108946, 217892, 272365, 544730, 1089460]

約数ペア:

[(1, 1089460), (2, 544730), (4, 272365), (5, 217892), (10, 108946), (19, 57340), (20, 54473), (38, 28670), (47, 23180), (61, 17860), (76, 14335), (94, 11590), (95, 11468), (122, 8930), (188, 5795), (190, 5734), (235, 4636), (244, 4465), (305, 3572), (380, 2867), (470, 2318), (610, 1786), (893, 1220), (940, 1159)]