1984927490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:436

約数の個数: 128

約数和(自身を含む): 4504550400

約数和(自身を除く): 2519622910

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 97, 113, 130, 182, 194, 199, 226, 398, 455, 485, 565, 679, 791, 910, 970, 995, 1130, 1261, 1358, 1393, 1469, 1582, 1990, 2522, 2587, 2786, 2938, 3395, 3955, 5174, 6305, 6790, 6965, 7345, 7910, 8827, 10283, 10961, 12610, 12935, 13930, 14690, 17654, 18109, 19303, 20566, 21922, 22487, 25870, 36218, 38606, 44135, 44974, 51415, 54805, 76727, 88270, 90545, 96515, 102830, 109610, 112435, 135121, 142493, 153454, 157409, 181090, 193030, 224870, 250939, 270242, 284986, 292331, 314818, 383635, 501878, 584662, 675605, 712465, 767270, 787045, 997451, 1254695, 1351210, 1424930, 1461655, 1574090, 1756573, 1994902, 2046317, 2181239, 2509390, 2923310, 3513146, 4092634, 4362478, 4987255, 8782865, 9974510, 10231585, 10906195, 15268673, 17565730, 20463170, 21812390, 28356107, 30537346, 56712214, 76343365, 141780535, 152686730, 198492749, 283561070, 396985498, 992463745, 1984927490]

約数ペア:

[(1, 1984927490), (2, 992463745), (5, 396985498), (7, 283561070), (10, 198492749), (13, 152686730), (14, 141780535), (26, 76343365), (35, 56712214), (65, 30537346), (70, 28356107), (91, 21812390), (97, 20463170), (113, 17565730), (130, 15268673), (182, 10906195), (194, 10231585), (199, 9974510), (226, 8782865), (398, 4987255), (455, 4362478), (485, 4092634), (565, 3513146), (679, 2923310), (791, 2509390), (910, 2181239), (970, 2046317), (995, 1994902), (1130, 1756573), (1261, 1574090), (1358, 1461655), (1393, 1424930), (1469, 1351210), (1582, 1254695), (1990, 997451), (2522, 787045), (2587, 767270), (2786, 712465), (2938, 675605), (3395, 584662), (3955, 501878), (5174, 383635), (6305, 314818), (6790, 292331), (6965, 284986), (7345, 270242), (7910, 250939), (8827, 224870), (10283, 193030), (10961, 181090), (12610, 157409), (12935, 153454), (13930, 142493), (14690, 135121), (17654, 112435), (18109, 109610), (19303, 102830), (20566, 96515), (21922, 90545), (22487, 88270), (25870, 76727), (36218, 54805), (38606, 51415), (44135, 44974)]