428083740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{339749}}^1$

素因数の和:339771

約数の個数: 72

約数和(自身を含む): 1484028000

約数和(自身を除く): 1055944260

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 339749, 679498, 1019247, 1358996, 1698745, 2038494, 2378243, 3057741, 3397490, 4076988, 4756486, 5096235, 6115482, 6794980, 7134729, 9512972, 10192470, 11891215, 12230964, 14269458, 15288705, 20384940, 21404187, 23782430, 28538916, 30577410, 35673645, 42808374, 47564860, 61154820, 71347290, 85616748, 107020935, 142694580, 214041870, 428083740]

約数ペア:

[(1, 428083740), (2, 214041870), (3, 142694580), (4, 107020935), (5, 85616748), (6, 71347290), (7, 61154820), (9, 47564860), (10, 42808374), (12, 35673645), (14, 30577410), (15, 28538916), (18, 23782430), (20, 21404187), (21, 20384940), (28, 15288705), (30, 14269458), (35, 12230964), (36, 11891215), (42, 10192470), (45, 9512972), (60, 7134729), (63, 6794980), (70, 6115482), (84, 5096235), (90, 4756486), (105, 4076988), (126, 3397490), (140, 3057741), (180, 2378243), (210, 2038494), (252, 1698745), (315, 1358996), (420, 1019247), (630, 679498), (1260, 339749)]