2145100990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{49529}}^1$

素因数の和:49668

約数の個数: 32

約数和(自身を含む): 3979834560

約数和(自身を除く): 1834733570

約数列:

[1, 2, 5, 10, 61, 71, 122, 142, 305, 355, 610, 710, 4331, 8662, 21655, 43310, 49529, 99058, 247645, 495290, 3021269, 3516559, 6042538, 7033118, 15106345, 17582795, 30212690, 35165590, 214510099, 429020198, 1072550495, 2145100990]

約数ペア:

[(1, 2145100990), (2, 1072550495), (5, 429020198), (10, 214510099), (61, 35165590), (71, 30212690), (122, 17582795), (142, 15106345), (305, 7033118), (355, 6042538), (610, 3516559), (710, 3021269), (4331, 495290), (8662, 247645), (21655, 99058), (43310, 49529)]