251041284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:454

約数の個数: 144

約数和(自身を含む): 722358000

約数和(自身を除く): 471316716

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 36, 39, 52, 53, 58, 78, 87, 106, 116, 117, 156, 159, 174, 212, 234, 261, 318, 348, 349, 377, 468, 477, 522, 636, 689, 698, 754, 954, 1044, 1047, 1131, 1378, 1396, 1508, 1537, 1908, 2067, 2094, 2262, 2756, 3074, 3141, 3393, 4134, 4188, 4524, 4537, 4611, 6148, 6201, 6282, 6786, 8268, 9074, 9222, 10121, 12402, 12564, 13572, 13611, 13833, 18148, 18444, 18497, 19981, 20242, 24804, 27222, 27666, 30363, 36994, 39962, 40484, 40833, 54444, 55332, 55491, 59943, 60726, 73988, 79924, 81666, 91089, 110982, 119886, 121452, 131573, 163332, 166473, 179829, 182178, 221964, 239772, 240461, 263146, 332946, 359658, 364356, 394719, 480922, 526292, 536413, 665892, 719316, 721383, 789438, 961844, 1072826, 1184157, 1442766, 1578876, 1609239, 2145652, 2164149, 2368314, 2885532, 3218478, 4328298, 4736628, 4827717, 6436956, 6973369, 8656596, 9655434, 13946738, 19310868, 20920107, 27893476, 41840214, 62760321, 83680428, 125520642, 251041284]

約数ペア:

[(1, 251041284), (2, 125520642), (3, 83680428), (4, 62760321), (6, 41840214), (9, 27893476), (12, 20920107), (13, 19310868), (18, 13946738), (26, 9655434), (29, 8656596), (36, 6973369), (39, 6436956), (52, 4827717), (53, 4736628), (58, 4328298), (78, 3218478), (87, 2885532), (106, 2368314), (116, 2164149), (117, 2145652), (156, 1609239), (159, 1578876), (174, 1442766), (212, 1184157), (234, 1072826), (261, 961844), (318, 789438), (348, 721383), (349, 719316), (377, 665892), (468, 536413), (477, 526292), (522, 480922), (636, 394719), (689, 364356), (698, 359658), (754, 332946), (954, 263146), (1044, 240461), (1047, 239772), (1131, 221964), (1378, 182178), (1396, 179829), (1508, 166473), (1537, 163332), (1908, 131573), (2067, 121452), (2094, 119886), (2262, 110982), (2756, 91089), (3074, 81666), (3141, 79924), (3393, 73988), (4134, 60726), (4188, 59943), (4524, 55491), (4537, 55332), (4611, 54444), (6148, 40833), (6201, 40484), (6282, 39962), (6786, 36994), (8268, 30363), (9074, 27666), (9222, 27222), (10121, 24804), (12402, 20242), (12564, 19981), (13572, 18497), (13611, 18444), (13833, 18148)]