2019604220

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:915

約数の個数: 96

約数和(自身を含む): 4502615040

約数和(自身を除く): 2483010820

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 59, 86, 106, 118, 172, 212, 215, 236, 265, 295, 430, 530, 590, 751, 860, 1060, 1180, 1502, 2279, 2537, 3004, 3127, 3755, 4558, 5074, 6254, 7510, 9116, 10148, 11395, 12508, 12685, 15020, 15635, 22790, 25370, 31270, 32293, 39803, 44309, 45580, 50740, 62540, 64586, 79606, 88618, 129172, 134461, 159212, 161465, 177236, 199015, 221545, 268922, 322930, 398030, 443090, 537844, 645860, 672305, 796060, 886180, 1344610, 1711529, 1905287, 2348377, 2689220, 3423058, 3810574, 4696754, 6846116, 7621148, 8557645, 9393508, 9526435, 11741885, 17115290, 19052870, 23483770, 34230580, 38105740, 46967540, 100980211, 201960422, 403920844, 504901055, 1009802110, 2019604220]

約数ペア:

[(1, 2019604220), (2, 1009802110), (4, 504901055), (5, 403920844), (10, 201960422), (20, 100980211), (43, 46967540), (53, 38105740), (59, 34230580), (86, 23483770), (106, 19052870), (118, 17115290), (172, 11741885), (212, 9526435), (215, 9393508), (236, 8557645), (265, 7621148), (295, 6846116), (430, 4696754), (530, 3810574), (590, 3423058), (751, 2689220), (860, 2348377), (1060, 1905287), (1180, 1711529), (1502, 1344610), (2279, 886180), (2537, 796060), (3004, 672305), (3127, 645860), (3755, 537844), (4558, 443090), (5074, 398030), (6254, 322930), (7510, 268922), (9116, 221545), (10148, 199015), (11395, 177236), (12508, 161465), (12685, 159212), (15020, 134461), (15635, 129172), (22790, 88618), (25370, 79606), (31270, 64586), (32293, 62540), (39803, 50740), (44309, 45580)]