1878404780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:759

約数の個数: 96

約数和(自身を含む): 4567449600

約数和(自身を除く): 2689044820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 191, 199, 353, 382, 398, 706, 764, 796, 955, 995, 1337, 1393, 1412, 1765, 1910, 1990, 2471, 2674, 2786, 3530, 3820, 3980, 4942, 5348, 5572, 6685, 6965, 7060, 9884, 12355, 13370, 13930, 24710, 26740, 27860, 38009, 49420, 67423, 70247, 76018, 134846, 140494, 152036, 190045, 266063, 269692, 280988, 337115, 351235, 380090, 471961, 491729, 532126, 674230, 702470, 760180, 943922, 983458, 1064252, 1330315, 1348460, 1404940, 1887844, 1966916, 2359805, 2458645, 2660630, 4719610, 4917290, 5321260, 9439220, 9834580, 13417177, 26834354, 53668708, 67085885, 93920239, 134171770, 187840478, 268343540, 375680956, 469601195, 939202390, 1878404780]

約数ペア:

[(1, 1878404780), (2, 939202390), (4, 469601195), (5, 375680956), (7, 268343540), (10, 187840478), (14, 134171770), (20, 93920239), (28, 67085885), (35, 53668708), (70, 26834354), (140, 13417177), (191, 9834580), (199, 9439220), (353, 5321260), (382, 4917290), (398, 4719610), (706, 2660630), (764, 2458645), (796, 2359805), (955, 1966916), (995, 1887844), (1337, 1404940), (1393, 1348460), (1412, 1330315), (1765, 1064252), (1910, 983458), (1990, 943922), (2471, 760180), (2674, 702470), (2786, 674230), (3530, 532126), (3820, 491729), (3980, 471961), (4942, 380090), (5348, 351235), (5572, 337115), (6685, 280988), (6965, 269692), (7060, 266063), (9884, 190045), (12355, 152036), (13370, 140494), (13930, 134846), (24710, 76018), (26740, 70247), (27860, 67423), (38009, 49420)]