28193820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:371

約数の個数: 96

約数和(自身を含む): 84623616

約数和(自身を除く): 56429796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 131, 170, 204, 211, 255, 262, 340, 393, 422, 510, 524, 633, 655, 786, 844, 1020, 1055, 1266, 1310, 1572, 1965, 2110, 2227, 2532, 2620, 3165, 3587, 3930, 4220, 4454, 6330, 6681, 7174, 7860, 8908, 10761, 11135, 12660, 13362, 14348, 17935, 21522, 22270, 26724, 27641, 33405, 35870, 43044, 44540, 53805, 55282, 66810, 71740, 82923, 107610, 110564, 133620, 138205, 165846, 215220, 276410, 331692, 414615, 469897, 552820, 829230, 939794, 1409691, 1658460, 1879588, 2349485, 2819382, 4698970, 5638764, 7048455, 9397940, 14096910, 28193820]

約数ペア:

[(1, 28193820), (2, 14096910), (3, 9397940), (4, 7048455), (5, 5638764), (6, 4698970), (10, 2819382), (12, 2349485), (15, 1879588), (17, 1658460), (20, 1409691), (30, 939794), (34, 829230), (51, 552820), (60, 469897), (68, 414615), (85, 331692), (102, 276410), (131, 215220), (170, 165846), (204, 138205), (211, 133620), (255, 110564), (262, 107610), (340, 82923), (393, 71740), (422, 66810), (510, 55282), (524, 53805), (633, 44540), (655, 43044), (786, 35870), (844, 33405), (1020, 27641), (1055, 26724), (1266, 22270), (1310, 21522), (1572, 17935), (1965, 14348), (2110, 13362), (2227, 12660), (2532, 11135), (2620, 10761), (3165, 8908), (3587, 7860), (3930, 7174), (4220, 6681), (4454, 6330)]