1812642875140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{8130631}}^1$

素因数の和:8130868

約数の個数: 48

約数和(自身を含む): 3884750924544

約数和(自身を除く): 2072108049404

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 157, 284, 314, 355, 628, 710, 785, 1420, 1570, 3140, 11147, 22294, 44588, 55735, 111470, 222940, 8130631, 16261262, 32522524, 40653155, 81306310, 162612620, 577274801, 1154549602, 1276509067, 2309099204, 2553018134, 2886374005, 5106036268, 5772748010, 6382545335, 11545496020, 12765090670, 25530181340, 90632143757, 181264287514, 362528575028, 453160718785, 906321437570, 1812642875140]

約数ペア:

[(1, 1812642875140), (2, 906321437570), (4, 453160718785), (5, 362528575028), (10, 181264287514), (20, 90632143757), (71, 25530181340), (142, 12765090670), (157, 11545496020), (284, 6382545335), (314, 5772748010), (355, 5106036268), (628, 2886374005), (710, 2553018134), (785, 2309099204), (1420, 1276509067), (1570, 1154549602), (3140, 577274801), (11147, 162612620), (22294, 81306310), (44588, 40653155), (55735, 32522524), (111470, 16261262), (222940, 8130631)]