245849940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4759}}^1$

素因数の和:4822

約数の個数: 144

約数和(自身を含む): 873250560

約数和(自身を除く): 627400620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 630, 738, 820, 861, 1148, 1230, 1260, 1435, 1476, 1722, 1845, 2460, 2583, 2870, 3444, 3690, 4305, 4759, 5166, 5740, 7380, 8610, 9518, 10332, 12915, 14277, 17220, 19036, 23795, 25830, 28554, 33313, 42831, 47590, 51660, 57108, 66626, 71385, 85662, 95180, 99939, 133252, 142770, 166565, 171324, 195119, 199878, 214155, 285540, 299817, 333130, 390238, 399756, 428310, 499695, 585357, 599634, 666260, 780476, 856620, 975595, 999390, 1170714, 1199268, 1365833, 1499085, 1756071, 1951190, 1998780, 2341428, 2731666, 2926785, 2998170, 3512142, 3902380, 4097499, 5463332, 5853570, 5996340, 6829165, 7024284, 8194998, 8780355, 11707140, 12292497, 13658330, 16389996, 17560710, 20487495, 24584994, 27316660, 35121420, 40974990, 49169988, 61462485, 81949980, 122924970, 245849940]

約数ペア:

[(1, 245849940), (2, 122924970), (3, 81949980), (4, 61462485), (5, 49169988), (6, 40974990), (7, 35121420), (9, 27316660), (10, 24584994), (12, 20487495), (14, 17560710), (15, 16389996), (18, 13658330), (20, 12292497), (21, 11707140), (28, 8780355), (30, 8194998), (35, 7024284), (36, 6829165), (41, 5996340), (42, 5853570), (45, 5463332), (60, 4097499), (63, 3902380), (70, 3512142), (82, 2998170), (84, 2926785), (90, 2731666), (105, 2341428), (123, 1998780), (126, 1951190), (140, 1756071), (164, 1499085), (180, 1365833), (205, 1199268), (210, 1170714), (246, 999390), (252, 975595), (287, 856620), (315, 780476), (369, 666260), (410, 599634), (420, 585357), (492, 499695), (574, 428310), (615, 399756), (630, 390238), (738, 333130), (820, 299817), (861, 285540), (1148, 214155), (1230, 199878), (1260, 195119), (1435, 171324), (1476, 166565), (1722, 142770), (1845, 133252), (2460, 99939), (2583, 95180), (2870, 85662), (3444, 71385), (3690, 66626), (4305, 57108), (4759, 51660), (5166, 47590), (5740, 42831), (7380, 33313), (8610, 28554), (9518, 25830), (10332, 23795), (12915, 19036), (14277, 17220)]