1249156780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{33029}}^1$

素因数の和:33130

約数の個数: 48

約数和(自身を含む): 2752323840

約数和(自身を除く): 1503167060

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 33029, 37820, 66058, 132116, 165145, 330290, 660580, 1023899, 2014769, 2047798, 4029538, 4095596, 5119495, 8059076, 10073845, 10238990, 20147690, 20477980, 40295380, 62457839, 124915678, 249831356, 312289195, 624578390, 1249156780]

約数ペア:

[(1, 1249156780), (2, 624578390), (4, 312289195), (5, 249831356), (10, 124915678), (20, 62457839), (31, 40295380), (61, 20477980), (62, 20147690), (122, 10238990), (124, 10073845), (155, 8059076), (244, 5119495), (305, 4095596), (310, 4029538), (610, 2047798), (620, 2014769), (1220, 1023899), (1891, 660580), (3782, 330290), (7564, 165145), (9455, 132116), (18910, 66058), (33029, 37820)]