28237300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 78744960

約数和(自身を除く): 50507660

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 29, 35, 50, 52, 58, 65, 70, 91, 100, 107, 116, 130, 140, 145, 175, 182, 203, 214, 260, 290, 325, 350, 364, 377, 406, 428, 455, 535, 580, 650, 700, 725, 749, 754, 812, 910, 1015, 1070, 1300, 1391, 1450, 1498, 1508, 1820, 1885, 2030, 2140, 2275, 2639, 2675, 2782, 2900, 2996, 3103, 3745, 3770, 4060, 4550, 5075, 5278, 5350, 5564, 6206, 6955, 7490, 7540, 9100, 9425, 9737, 10150, 10556, 10700, 12412, 13195, 13910, 14980, 15515, 18725, 18850, 19474, 20300, 21721, 26390, 27820, 31030, 34775, 37450, 37700, 38948, 40339, 43442, 48685, 52780, 62060, 65975, 69550, 74900, 77575, 80678, 86884, 97370, 108605, 131950, 139100, 155150, 161356, 194740, 201695, 217210, 243425, 263900, 282373, 310300, 403390, 434420, 486850, 543025, 564746, 806780, 973700, 1008475, 1086050, 1129492, 1411865, 2016950, 2172100, 2823730, 4033900, 5647460, 7059325, 14118650, 28237300]

約数ペア:

[(1, 28237300), (2, 14118650), (4, 7059325), (5, 5647460), (7, 4033900), (10, 2823730), (13, 2172100), (14, 2016950), (20, 1411865), (25, 1129492), (26, 1086050), (28, 1008475), (29, 973700), (35, 806780), (50, 564746), (52, 543025), (58, 486850), (65, 434420), (70, 403390), (91, 310300), (100, 282373), (107, 263900), (116, 243425), (130, 217210), (140, 201695), (145, 194740), (175, 161356), (182, 155150), (203, 139100), (214, 131950), (260, 108605), (290, 97370), (325, 86884), (350, 80678), (364, 77575), (377, 74900), (406, 69550), (428, 65975), (455, 62060), (535, 52780), (580, 48685), (650, 43442), (700, 40339), (725, 38948), (749, 37700), (754, 37450), (812, 34775), (910, 31030), (1015, 27820), (1070, 26390), (1300, 21721), (1391, 20300), (1450, 19474), (1498, 18850), (1508, 18725), (1820, 15515), (1885, 14980), (2030, 13910), (2140, 13195), (2275, 12412), (2639, 10700), (2675, 10556), (2782, 10150), (2900, 9737), (2996, 9425), (3103, 9100), (3745, 7540), (3770, 7490), (4060, 6955), (4550, 6206), (5075, 5564), (5278, 5350)]