2221784890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 64

約数和(自身を含む): 4364502912

約数和(自身を除く): 2142718022

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 283, 461, 566, 655, 922, 1310, 1415, 1703, 2305, 2830, 3406, 3679, 4610, 5993, 7358, 8515, 11986, 17030, 18395, 29965, 36790, 37073, 59930, 60391, 74146, 120782, 130463, 185365, 260926, 301955, 370730, 481949, 603910, 652315, 785083, 963898, 1304630, 1570166, 1696019, 2409745, 3392038, 3925415, 4819490, 7850830, 8480095, 16960190, 17090653, 34181306, 85453265, 170906530, 222178489, 444356978, 1110892445, 2221784890]

約数ペア:

[(1, 2221784890), (2, 1110892445), (5, 444356978), (10, 222178489), (13, 170906530), (26, 85453265), (65, 34181306), (130, 17090653), (131, 16960190), (262, 8480095), (283, 7850830), (461, 4819490), (566, 3925415), (655, 3392038), (922, 2409745), (1310, 1696019), (1415, 1570166), (1703, 1304630), (2305, 963898), (2830, 785083), (3406, 652315), (3679, 603910), (4610, 481949), (5993, 370730), (7358, 301955), (8515, 260926), (11986, 185365), (17030, 130463), (18395, 120782), (29965, 74146), (36790, 60391), (37073, 59930)]