2779267100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71081}}^1$

素因数の和:71135

約数の個数: 72

約数和(自身を含む): 6663511008

約数和(自身を除く): 3884243908

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 25, 34, 46, 50, 68, 85, 92, 100, 115, 170, 230, 340, 391, 425, 460, 575, 782, 850, 1150, 1564, 1700, 1955, 2300, 3910, 7820, 9775, 19550, 39100, 71081, 142162, 284324, 355405, 710810, 1208377, 1421620, 1634863, 1777025, 2416754, 3269726, 3554050, 4833508, 6041885, 6539452, 7108100, 8174315, 12083770, 16348630, 24167540, 27792671, 30209425, 32697260, 40871575, 55585342, 60418850, 81743150, 111170684, 120837700, 138963355, 163486300, 277926710, 555853420, 694816775, 1389633550, 2779267100]

約数ペア:

[(1, 2779267100), (2, 1389633550), (4, 694816775), (5, 555853420), (10, 277926710), (17, 163486300), (20, 138963355), (23, 120837700), (25, 111170684), (34, 81743150), (46, 60418850), (50, 55585342), (68, 40871575), (85, 32697260), (92, 30209425), (100, 27792671), (115, 24167540), (170, 16348630), (230, 12083770), (340, 8174315), (391, 7108100), (425, 6539452), (460, 6041885), (575, 4833508), (782, 3554050), (850, 3269726), (1150, 2416754), (1564, 1777025), (1700, 1634863), (1955, 1421620), (2300, 1208377), (3910, 710810), (7820, 355405), (9775, 284324), (19550, 142162), (39100, 71081)]