427266490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:348

約数の個数: 128

約数和(自身を含む): 981319680

約数和(自身を除く): 554053190

約数列:

[1, 2, 5, 7, 10, 14, 19, 31, 35, 38, 43, 62, 70, 86, 95, 133, 155, 190, 215, 217, 241, 266, 301, 310, 430, 434, 482, 589, 602, 665, 817, 1085, 1178, 1205, 1330, 1333, 1505, 1634, 1687, 2170, 2410, 2666, 2945, 3010, 3374, 4085, 4123, 4579, 5719, 5890, 6665, 7471, 8170, 8246, 8435, 9158, 9331, 10363, 11438, 13330, 14942, 16870, 18662, 20615, 20726, 22895, 25327, 28595, 32053, 37355, 41230, 45790, 46655, 50654, 51815, 52297, 57190, 64106, 72541, 74710, 93310, 103630, 104594, 126635, 141949, 145082, 160265, 177289, 196897, 253270, 261485, 283898, 320530, 321253, 354578, 362705, 393794, 522970, 642506, 709745, 725410, 886445, 984485, 993643, 1378279, 1419490, 1606265, 1772890, 1968970, 1987286, 2248771, 2756558, 3212530, 4497542, 4968215, 6103807, 6891395, 9936430, 11243855, 12207614, 13782790, 22487710, 30519035, 42726649, 61038070, 85453298, 213633245, 427266490]

約数ペア:

[(1, 427266490), (2, 213633245), (5, 85453298), (7, 61038070), (10, 42726649), (14, 30519035), (19, 22487710), (31, 13782790), (35, 12207614), (38, 11243855), (43, 9936430), (62, 6891395), (70, 6103807), (86, 4968215), (95, 4497542), (133, 3212530), (155, 2756558), (190, 2248771), (215, 1987286), (217, 1968970), (241, 1772890), (266, 1606265), (301, 1419490), (310, 1378279), (430, 993643), (434, 984485), (482, 886445), (589, 725410), (602, 709745), (665, 642506), (817, 522970), (1085, 393794), (1178, 362705), (1205, 354578), (1330, 321253), (1333, 320530), (1505, 283898), (1634, 261485), (1687, 253270), (2170, 196897), (2410, 177289), (2666, 160265), (2945, 145082), (3010, 141949), (3374, 126635), (4085, 104594), (4123, 103630), (4579, 93310), (5719, 74710), (5890, 72541), (6665, 64106), (7471, 57190), (8170, 52297), (8246, 51815), (8435, 50654), (9158, 46655), (9331, 45790), (10363, 41230), (11438, 37355), (13330, 32053), (14942, 28595), (16870, 25327), (18662, 22895), (20615, 20726)]