208460460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 192

約数和(自身を含む): 677376000

約数和(自身を除く): 468915540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 79, 85, 102, 130, 156, 158, 170, 195, 199, 204, 221, 237, 255, 260, 316, 340, 390, 395, 398, 442, 474, 510, 597, 663, 780, 790, 796, 884, 948, 995, 1020, 1027, 1105, 1185, 1194, 1326, 1343, 1580, 1990, 2054, 2210, 2370, 2388, 2587, 2652, 2686, 2985, 3081, 3315, 3383, 3980, 4029, 4108, 4420, 4740, 5135, 5174, 5372, 5970, 6162, 6630, 6715, 6766, 7761, 8058, 10149, 10270, 10348, 11940, 12324, 12935, 13260, 13430, 13532, 15405, 15522, 15721, 16116, 16915, 17459, 20145, 20298, 20540, 25870, 26860, 30810, 31044, 31442, 33830, 34918, 38805, 40290, 40596, 43979, 47163, 50745, 51740, 52377, 61620, 62884, 67660, 69836, 77610, 78605, 80580, 87295, 87958, 94326, 101490, 104754, 131937, 155220, 157210, 174590, 175916, 188652, 202980, 204373, 209508, 219895, 235815, 261885, 263874, 267257, 314420, 349180, 408746, 439790, 471630, 523770, 527748, 534514, 613119, 659685, 801771, 817492, 879580, 943260, 1021865, 1047540, 1069028, 1226238, 1319370, 1336285, 1603542, 2043730, 2452476, 2638740, 2672570, 3065595, 3207084, 3474341, 4008855, 4087460, 5345140, 6131190, 6948682, 8017710, 10423023, 12262380, 13897364, 16035420, 17371705, 20846046, 34743410, 41692092, 52115115, 69486820, 104230230, 208460460]

約数ペア:

[(1, 208460460), (2, 104230230), (3, 69486820), (4, 52115115), (5, 41692092), (6, 34743410), (10, 20846046), (12, 17371705), (13, 16035420), (15, 13897364), (17, 12262380), (20, 10423023), (26, 8017710), (30, 6948682), (34, 6131190), (39, 5345140), (51, 4087460), (52, 4008855), (60, 3474341), (65, 3207084), (68, 3065595), (78, 2672570), (79, 2638740), (85, 2452476), (102, 2043730), (130, 1603542), (156, 1336285), (158, 1319370), (170, 1226238), (195, 1069028), (199, 1047540), (204, 1021865), (221, 943260), (237, 879580), (255, 817492), (260, 801771), (316, 659685), (340, 613119), (390, 534514), (395, 527748), (398, 523770), (442, 471630), (474, 439790), (510, 408746), (597, 349180), (663, 314420), (780, 267257), (790, 263874), (796, 261885), (884, 235815), (948, 219895), (995, 209508), (1020, 204373), (1027, 202980), (1105, 188652), (1185, 175916), (1194, 174590), (1326, 157210), (1343, 155220), (1580, 131937), (1990, 104754), (2054, 101490), (2210, 94326), (2370, 87958), (2388, 87295), (2587, 80580), (2652, 78605), (2686, 77610), (2985, 69836), (3081, 67660), (3315, 62884), (3383, 61620), (3980, 52377), (4029, 51740), (4108, 50745), (4420, 47163), (4740, 43979), (5135, 40596), (5174, 40290), (5372, 38805), (5970, 34918), (6162, 33830), (6630, 31442), (6715, 31044), (6766, 30810), (7761, 26860), (8058, 25870), (10149, 20540), (10270, 20298), (10348, 20145), (11940, 17459), (12324, 16915), (12935, 16116), (13260, 15721), (13430, 15522), (13532, 15405)]