19725291230

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{3943}}^1$

素因数の和:4209

約数の個数: 64

約数和(自身を含む): 36972633600

約数和(自身を除く): 17247342370

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 139, 278, 295, 305, 590, 610, 695, 1390, 3599, 3943, 7198, 7886, 8201, 8479, 16402, 16958, 17995, 19715, 35990, 39430, 41005, 42395, 82010, 84790, 232637, 240523, 465274, 481046, 500261, 548077, 1000522, 1096154, 1163185, 1202615, 2326370, 2405230, 2501305, 2740385, 5002610, 5480770, 14190857, 28381714, 32336543, 33432697, 64673086, 66865394, 70954285, 141908570, 161682715, 167163485, 323365430, 334326970, 1972529123, 3945058246, 9862645615, 19725291230]

約数ペア:

[(1, 19725291230), (2, 9862645615), (5, 3945058246), (10, 1972529123), (59, 334326970), (61, 323365430), (118, 167163485), (122, 161682715), (139, 141908570), (278, 70954285), (295, 66865394), (305, 64673086), (590, 33432697), (610, 32336543), (695, 28381714), (1390, 14190857), (3599, 5480770), (3943, 5002610), (7198, 2740385), (7886, 2501305), (8201, 2405230), (8479, 2326370), (16402, 1202615), (16958, 1163185), (17995, 1096154), (19715, 1000522), (35990, 548077), (39430, 500261), (41005, 481046), (42395, 465274), (82010, 240523), (84790, 232637)]