281485764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{5009}}^1$

素因数の和:5249

約数の個数: 72

約数和(自身を含む): 816990720

約数和(自身を除く): 535504956

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 223, 252, 446, 669, 892, 1338, 1561, 2007, 2676, 3122, 4014, 4683, 5009, 6244, 8028, 9366, 10018, 14049, 15027, 18732, 20036, 28098, 30054, 35063, 45081, 56196, 60108, 70126, 90162, 105189, 140252, 180324, 210378, 315567, 420756, 631134, 1117007, 1262268, 2234014, 3351021, 4468028, 6702042, 7819049, 10053063, 13404084, 15638098, 20106126, 23457147, 31276196, 40212252, 46914294, 70371441, 93828588, 140742882, 281485764]

約数ペア:

[(1, 281485764), (2, 140742882), (3, 93828588), (4, 70371441), (6, 46914294), (7, 40212252), (9, 31276196), (12, 23457147), (14, 20106126), (18, 15638098), (21, 13404084), (28, 10053063), (36, 7819049), (42, 6702042), (63, 4468028), (84, 3351021), (126, 2234014), (223, 1262268), (252, 1117007), (446, 631134), (669, 420756), (892, 315567), (1338, 210378), (1561, 180324), (2007, 140252), (2676, 105189), (3122, 90162), (4014, 70126), (4683, 60108), (5009, 56196), (6244, 45081), (8028, 35063), (9366, 30054), (10018, 28098), (14049, 20036), (15027, 18732)]