7221228050

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:636

約数の個数: 96

約数和(自身を含む): 14069099520

約数和(自身を除く): 6847871470

約数列:

[1, 2, 5, 10, 25, 47, 50, 79, 94, 97, 158, 194, 235, 395, 401, 470, 485, 790, 802, 970, 1175, 1975, 2005, 2350, 2425, 3713, 3950, 4010, 4559, 4850, 7426, 7663, 9118, 10025, 15326, 18565, 18847, 20050, 22795, 31679, 37130, 37694, 38315, 38897, 45590, 63358, 76630, 77794, 92825, 94235, 113975, 158395, 185650, 188470, 191575, 194485, 227950, 316790, 360161, 383150, 388970, 471175, 720322, 791975, 942350, 972425, 1488913, 1583950, 1800805, 1828159, 1944850, 2977826, 3072863, 3601610, 3656318, 6145726, 7444565, 9004025, 9140795, 14889130, 15364315, 18008050, 18281590, 30728630, 37222825, 45703975, 74445650, 76821575, 91407950, 144424561, 153643150, 288849122, 722122805, 1444245610, 3610614025, 7221228050]

約数ペア:

[(1, 7221228050), (2, 3610614025), (5, 1444245610), (10, 722122805), (25, 288849122), (47, 153643150), (50, 144424561), (79, 91407950), (94, 76821575), (97, 74445650), (158, 45703975), (194, 37222825), (235, 30728630), (395, 18281590), (401, 18008050), (470, 15364315), (485, 14889130), (790, 9140795), (802, 9004025), (970, 7444565), (1175, 6145726), (1975, 3656318), (2005, 3601610), (2350, 3072863), (2425, 2977826), (3713, 1944850), (3950, 1828159), (4010, 1800805), (4559, 1583950), (4850, 1488913), (7426, 972425), (7663, 942350), (9118, 791975), (10025, 720322), (15326, 471175), (18565, 388970), (18847, 383150), (20050, 360161), (22795, 316790), (31679, 227950), (37130, 194485), (37694, 191575), (38315, 188470), (38897, 185650), (45590, 158395), (63358, 113975), (76630, 94235), (77794, 92825)]