251217330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5413}}^1$

素因数の和:5460

約数の個数: 128

約数和(自身を含む): 785852928

約数和(自身を除く): 534635598

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 51, 65, 70, 78, 85, 91, 102, 105, 119, 130, 170, 182, 195, 210, 221, 238, 255, 273, 357, 390, 442, 455, 510, 546, 595, 663, 714, 910, 1105, 1190, 1326, 1365, 1547, 1785, 2210, 2730, 3094, 3315, 3570, 4641, 5413, 6630, 7735, 9282, 10826, 15470, 16239, 23205, 27065, 32478, 37891, 46410, 54130, 70369, 75782, 81195, 92021, 113673, 140738, 162390, 184042, 189455, 211107, 227346, 276063, 351845, 378910, 422214, 460105, 492583, 552126, 568365, 644147, 703690, 920210, 985166, 1055535, 1136730, 1196273, 1288294, 1380315, 1477749, 1932441, 2111070, 2392546, 2462915, 2760630, 2955498, 3220735, 3588819, 3864882, 4925830, 5981365, 6441470, 7177638, 7388745, 8373911, 9662205, 11962730, 14777490, 16747822, 17944095, 19324410, 25121733, 35888190, 41869555, 50243466, 83739110, 125608665, 251217330]

約数ペア:

[(1, 251217330), (2, 125608665), (3, 83739110), (5, 50243466), (6, 41869555), (7, 35888190), (10, 25121733), (13, 19324410), (14, 17944095), (15, 16747822), (17, 14777490), (21, 11962730), (26, 9662205), (30, 8373911), (34, 7388745), (35, 7177638), (39, 6441470), (42, 5981365), (51, 4925830), (65, 3864882), (70, 3588819), (78, 3220735), (85, 2955498), (91, 2760630), (102, 2462915), (105, 2392546), (119, 2111070), (130, 1932441), (170, 1477749), (182, 1380315), (195, 1288294), (210, 1196273), (221, 1136730), (238, 1055535), (255, 985166), (273, 920210), (357, 703690), (390, 644147), (442, 568365), (455, 552126), (510, 492583), (546, 460105), (595, 422214), (663, 378910), (714, 351845), (910, 276063), (1105, 227346), (1190, 211107), (1326, 189455), (1365, 184042), (1547, 162390), (1785, 140738), (2210, 113673), (2730, 92021), (3094, 81195), (3315, 75782), (3570, 70369), (4641, 54130), (5413, 46410), (6630, 37891), (7735, 32478), (9282, 27065), (10826, 23205), (15470, 16239)]