42819390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6701}}^1$

素因数の和:6785

約数の個数: 48

約数和(自身を含む): 112915296

約数和(自身を除く): 70095906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 6701, 13402, 20103, 33505, 40206, 60309, 67010, 100515, 120618, 201030, 301545, 475771, 603090, 951542, 1427313, 2378855, 2854626, 4281939, 4757710, 7136565, 8563878, 14273130, 21409695, 42819390]

約数ペア:

[(1, 42819390), (2, 21409695), (3, 14273130), (5, 8563878), (6, 7136565), (9, 4757710), (10, 4281939), (15, 2854626), (18, 2378855), (30, 1427313), (45, 951542), (71, 603090), (90, 475771), (142, 301545), (213, 201030), (355, 120618), (426, 100515), (639, 67010), (710, 60309), (1065, 40206), (1278, 33505), (2130, 20103), (3195, 13402), (6390, 6701)]