1900969980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{348163}}^1$

素因数の和:348195

約数の個数: 96

約数和(自身を含む): 6551053824

約数和(自身を除く): 4650083844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 348163, 696326, 1044489, 1392652, 1740815, 2088978, 2437141, 3481630, 4177956, 4526119, 4874282, 5222445, 6963260, 7311423, 9052238, 9748564, 10444890, 12185705, 13578357, 14622846, 18104476, 20889780, 22630595, 24371410, 27156714, 29245692, 31682833, 36557115, 45261190, 48742820, 54313428, 63365666, 67891785, 73114230, 90522380, 95048499, 126731332, 135783570, 146228460, 158414165, 190096998, 271567140, 316828330, 380193996, 475242495, 633656660, 950484990, 1900969980]

約数ペア:

[(1, 1900969980), (2, 950484990), (3, 633656660), (4, 475242495), (5, 380193996), (6, 316828330), (7, 271567140), (10, 190096998), (12, 158414165), (13, 146228460), (14, 135783570), (15, 126731332), (20, 95048499), (21, 90522380), (26, 73114230), (28, 67891785), (30, 63365666), (35, 54313428), (39, 48742820), (42, 45261190), (52, 36557115), (60, 31682833), (65, 29245692), (70, 27156714), (78, 24371410), (84, 22630595), (91, 20889780), (105, 18104476), (130, 14622846), (140, 13578357), (156, 12185705), (182, 10444890), (195, 9748564), (210, 9052238), (260, 7311423), (273, 6963260), (364, 5222445), (390, 4874282), (420, 4526119), (455, 4177956), (546, 3481630), (780, 2437141), (910, 2088978), (1092, 1740815), (1365, 1392652), (1820, 1044489), (2730, 696326), (5460, 348163)]