19993950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:458

約数の個数: 72

約数和(自身を含む): 54250248

約数和(自身を除く): 34256298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 157, 225, 283, 314, 450, 471, 566, 785, 849, 942, 1413, 1415, 1570, 1698, 2355, 2547, 2826, 2830, 3925, 4245, 4710, 5094, 7065, 7075, 7850, 8490, 11775, 12735, 14130, 14150, 21225, 23550, 25470, 35325, 42450, 44431, 63675, 70650, 88862, 127350, 133293, 222155, 266586, 399879, 444310, 666465, 799758, 1110775, 1332930, 1999395, 2221550, 3332325, 3998790, 6664650, 9996975, 19993950]

約数ペア:

[(1, 19993950), (2, 9996975), (3, 6664650), (5, 3998790), (6, 3332325), (9, 2221550), (10, 1999395), (15, 1332930), (18, 1110775), (25, 799758), (30, 666465), (45, 444310), (50, 399879), (75, 266586), (90, 222155), (150, 133293), (157, 127350), (225, 88862), (283, 70650), (314, 63675), (450, 44431), (471, 42450), (566, 35325), (785, 25470), (849, 23550), (942, 21225), (1413, 14150), (1415, 14130), (1570, 12735), (1698, 11775), (2355, 8490), (2547, 7850), (2826, 7075), (2830, 7065), (3925, 5094), (4245, 4710)]