278386290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1841

約数の個数: 192

約数和(自身を含む): 938246400

約数和(自身を除く): 659860110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 19, 21, 26, 30, 35, 38, 39, 42, 45, 57, 63, 65, 70, 78, 90, 91, 95, 105, 114, 117, 126, 130, 133, 171, 182, 190, 195, 210, 234, 247, 266, 273, 285, 315, 342, 390, 399, 455, 494, 546, 570, 585, 630, 665, 741, 798, 819, 855, 910, 1170, 1197, 1235, 1330, 1365, 1482, 1638, 1710, 1729, 1789, 1995, 2223, 2394, 2470, 2730, 3458, 3578, 3705, 3990, 4095, 4446, 5187, 5367, 5985, 7410, 8190, 8645, 8945, 10374, 10734, 11115, 11970, 12523, 15561, 16101, 17290, 17890, 22230, 23257, 25046, 25935, 26835, 31122, 32202, 33991, 37569, 46514, 51870, 53670, 62615, 67982, 69771, 75138, 77805, 80505, 101973, 112707, 116285, 125230, 139542, 155610, 161010, 162799, 169955, 187845, 203946, 209313, 225414, 232570, 237937, 305919, 325598, 339910, 348855, 375690, 418626, 441883, 475874, 488397, 509865, 563535, 611838, 697710, 713811, 813995, 883766, 976794, 1019730, 1046565, 1127070, 1189685, 1325649, 1427622, 1465191, 1529595, 1627990, 2093130, 2141433, 2209415, 2379370, 2441985, 2651298, 2930382, 3059190, 3093181, 3569055, 3976947, 4282866, 4418830, 4883970, 6186362, 6628245, 7138110, 7325955, 7953894, 9279543, 10707165, 13256490, 14651910, 15465905, 18559086, 19884735, 21414330, 27838629, 30931810, 39769470, 46397715, 55677258, 92795430, 139193145, 278386290]

約数ペア:

[(1, 278386290), (2, 139193145), (3, 92795430), (5, 55677258), (6, 46397715), (7, 39769470), (9, 30931810), (10, 27838629), (13, 21414330), (14, 19884735), (15, 18559086), (18, 15465905), (19, 14651910), (21, 13256490), (26, 10707165), (30, 9279543), (35, 7953894), (38, 7325955), (39, 7138110), (42, 6628245), (45, 6186362), (57, 4883970), (63, 4418830), (65, 4282866), (70, 3976947), (78, 3569055), (90, 3093181), (91, 3059190), (95, 2930382), (105, 2651298), (114, 2441985), (117, 2379370), (126, 2209415), (130, 2141433), (133, 2093130), (171, 1627990), (182, 1529595), (190, 1465191), (195, 1427622), (210, 1325649), (234, 1189685), (247, 1127070), (266, 1046565), (273, 1019730), (285, 976794), (315, 883766), (342, 813995), (390, 713811), (399, 697710), (455, 611838), (494, 563535), (546, 509865), (570, 488397), (585, 475874), (630, 441883), (665, 418626), (741, 375690), (798, 348855), (819, 339910), (855, 325598), (910, 305919), (1170, 237937), (1197, 232570), (1235, 225414), (1330, 209313), (1365, 203946), (1482, 187845), (1638, 169955), (1710, 162799), (1729, 161010), (1789, 155610), (1995, 139542), (2223, 125230), (2394, 116285), (2470, 112707), (2730, 101973), (3458, 80505), (3578, 77805), (3705, 75138), (3990, 69771), (4095, 67982), (4446, 62615), (5187, 53670), (5367, 51870), (5985, 46514), (7410, 37569), (8190, 33991), (8645, 32202), (8945, 31122), (10374, 26835), (10734, 25935), (11115, 25046), (11970, 23257), (12523, 22230), (15561, 17890), (16101, 17290)]