20120779700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{2339}}^1\times {\mathrm{12289}}^1$

素因数の和:14649

約数の個数: 72

約数和(自身を含む): 49924929600

約数和(自身を除く): 29804149900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 700, 2339, 4678, 9356, 11695, 12289, 16373, 23390, 24578, 32746, 46780, 49156, 58475, 61445, 65492, 81865, 86023, 116950, 122890, 163730, 172046, 233900, 245780, 307225, 327460, 344092, 409325, 430115, 614450, 818650, 860230, 1228900, 1637300, 1720460, 2150575, 4301150, 8602300, 28743971, 57487942, 114975884, 143719855, 201207797, 287439710, 402415594, 574879420, 718599275, 804831188, 1006038985, 1437198550, 2012077970, 2874397100, 4024155940, 5030194925, 10060389850, 20120779700]

約数ペア:

[(1, 20120779700), (2, 10060389850), (4, 5030194925), (5, 4024155940), (7, 2874397100), (10, 2012077970), (14, 1437198550), (20, 1006038985), (25, 804831188), (28, 718599275), (35, 574879420), (50, 402415594), (70, 287439710), (100, 201207797), (140, 143719855), (175, 114975884), (350, 57487942), (700, 28743971), (2339, 8602300), (4678, 4301150), (9356, 2150575), (11695, 1720460), (12289, 1637300), (16373, 1228900), (23390, 860230), (24578, 818650), (32746, 614450), (46780, 430115), (49156, 409325), (58475, 344092), (61445, 327460), (65492, 307225), (81865, 245780), (86023, 233900), (116950, 172046), (122890, 163730)]