51248540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 96

約数和(自身を含む): 132741504

約数和(自身を除く): 81492964

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 170, 238, 244, 305, 340, 353, 427, 476, 595, 610, 706, 854, 1037, 1190, 1220, 1412, 1708, 1765, 2074, 2135, 2380, 2471, 3530, 4148, 4270, 4942, 5185, 6001, 7060, 7259, 8540, 9884, 10370, 12002, 12355, 14518, 20740, 21533, 24004, 24710, 29036, 30005, 36295, 42007, 43066, 49420, 60010, 72590, 84014, 86132, 107665, 120020, 145180, 150731, 168028, 210035, 215330, 301462, 366061, 420070, 430660, 602924, 732122, 753655, 840140, 1464244, 1507310, 1830305, 2562427, 3014620, 3660610, 5124854, 7321220, 10249708, 12812135, 25624270, 51248540]

約数ペア:

[(1, 51248540), (2, 25624270), (4, 12812135), (5, 10249708), (7, 7321220), (10, 5124854), (14, 3660610), (17, 3014620), (20, 2562427), (28, 1830305), (34, 1507310), (35, 1464244), (61, 840140), (68, 753655), (70, 732122), (85, 602924), (119, 430660), (122, 420070), (140, 366061), (170, 301462), (238, 215330), (244, 210035), (305, 168028), (340, 150731), (353, 145180), (427, 120020), (476, 107665), (595, 86132), (610, 84014), (706, 72590), (854, 60010), (1037, 49420), (1190, 43066), (1220, 42007), (1412, 36295), (1708, 30005), (1765, 29036), (2074, 24710), (2135, 24004), (2380, 21533), (2471, 20740), (3530, 14518), (4148, 12355), (4270, 12002), (4942, 10370), (5185, 9884), (6001, 8540), (7060, 7259)]