249745470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:450

約数の個数: 128

約数和(自身を含む): 690923520

約数和(自身を除く): 441178050

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 139, 170, 195, 221, 255, 271, 278, 390, 417, 442, 510, 542, 663, 695, 813, 834, 1105, 1326, 1355, 1390, 1626, 1807, 2085, 2210, 2363, 2710, 3315, 3523, 3614, 4065, 4170, 4607, 4726, 5421, 6630, 7046, 7089, 8130, 9035, 9214, 10569, 10842, 11815, 13821, 14178, 17615, 18070, 21138, 23035, 23630, 27105, 27642, 30719, 35230, 35445, 37669, 46070, 52845, 54210, 59891, 61438, 69105, 70890, 75338, 92157, 105690, 113007, 119782, 138210, 153595, 179673, 184314, 188345, 226014, 299455, 307190, 359346, 376690, 460785, 489697, 565035, 598910, 640373, 898365, 921570, 979394, 1130070, 1280746, 1469091, 1796730, 1921119, 2448485, 2938182, 3201865, 3842238, 4896970, 6403730, 7345455, 8324849, 9605595, 14690910, 16649698, 19211190, 24974547, 41624245, 49949094, 83248490, 124872735, 249745470]

約数ペア:

[(1, 249745470), (2, 124872735), (3, 83248490), (5, 49949094), (6, 41624245), (10, 24974547), (13, 19211190), (15, 16649698), (17, 14690910), (26, 9605595), (30, 8324849), (34, 7345455), (39, 6403730), (51, 4896970), (65, 3842238), (78, 3201865), (85, 2938182), (102, 2448485), (130, 1921119), (139, 1796730), (170, 1469091), (195, 1280746), (221, 1130070), (255, 979394), (271, 921570), (278, 898365), (390, 640373), (417, 598910), (442, 565035), (510, 489697), (542, 460785), (663, 376690), (695, 359346), (813, 307190), (834, 299455), (1105, 226014), (1326, 188345), (1355, 184314), (1390, 179673), (1626, 153595), (1807, 138210), (2085, 119782), (2210, 113007), (2363, 105690), (2710, 92157), (3315, 75338), (3523, 70890), (3614, 69105), (4065, 61438), (4170, 59891), (4607, 54210), (4726, 52845), (5421, 46070), (6630, 37669), (7046, 35445), (7089, 35230), (8130, 30719), (9035, 27642), (9214, 27105), (10569, 23630), (10842, 23035), (11815, 21138), (13821, 18070), (14178, 17615)]