13900020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:257

約数の個数: 96

約数和(自身を含む): 41731200

約数和(自身を除く): 27831180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 89, 95, 114, 137, 178, 190, 228, 267, 274, 285, 356, 380, 411, 445, 534, 548, 570, 685, 822, 890, 1068, 1140, 1335, 1370, 1644, 1691, 1780, 2055, 2603, 2670, 2740, 3382, 4110, 5073, 5206, 5340, 6764, 7809, 8220, 8455, 10146, 10412, 12193, 13015, 15618, 16910, 20292, 24386, 25365, 26030, 31236, 33820, 36579, 39045, 48772, 50730, 52060, 60965, 73158, 78090, 101460, 121930, 146316, 156180, 182895, 231667, 243860, 365790, 463334, 695001, 731580, 926668, 1158335, 1390002, 2316670, 2780004, 3475005, 4633340, 6950010, 13900020]

約数ペア:

[(1, 13900020), (2, 6950010), (3, 4633340), (4, 3475005), (5, 2780004), (6, 2316670), (10, 1390002), (12, 1158335), (15, 926668), (19, 731580), (20, 695001), (30, 463334), (38, 365790), (57, 243860), (60, 231667), (76, 182895), (89, 156180), (95, 146316), (114, 121930), (137, 101460), (178, 78090), (190, 73158), (228, 60965), (267, 52060), (274, 50730), (285, 48772), (356, 39045), (380, 36579), (411, 33820), (445, 31236), (534, 26030), (548, 25365), (570, 24386), (685, 20292), (822, 16910), (890, 15618), (1068, 13015), (1140, 12193), (1335, 10412), (1370, 10146), (1644, 8455), (1691, 8220), (1780, 7809), (2055, 6764), (2603, 5340), (2670, 5206), (2740, 5073), (3382, 4110)]