289341780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{269}}^1$

素因数の和:498

約数の個数: 192

約数和(自身を含む): 1005903360

約数和(自身を除く): 716561580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 197, 210, 260, 269, 273, 364, 390, 394, 420, 455, 538, 546, 591, 780, 788, 807, 910, 985, 1076, 1092, 1182, 1345, 1365, 1379, 1614, 1820, 1883, 1970, 2364, 2561, 2690, 2730, 2758, 2955, 3228, 3497, 3766, 3940, 4035, 4137, 5122, 5380, 5460, 5516, 5649, 5910, 6895, 6994, 7532, 7683, 8070, 8274, 9415, 10244, 10491, 11298, 11820, 12805, 13790, 13988, 15366, 16140, 16548, 17485, 17927, 18830, 20685, 20982, 22596, 24479, 25610, 27580, 28245, 30732, 34970, 35854, 37660, 38415, 41370, 41964, 48958, 51220, 52455, 52993, 53781, 56490, 69940, 71708, 73437, 76830, 82740, 89635, 97916, 104910, 105986, 107562, 112980, 122395, 146874, 153660, 158979, 179270, 209820, 211972, 215124, 244790, 264965, 268905, 293748, 317958, 358540, 367185, 370951, 489580, 529930, 537810, 635916, 688909, 734370, 741902, 794895, 1059860, 1075620, 1112853, 1377818, 1468740, 1483804, 1589790, 1854755, 2066727, 2225706, 2755636, 3179580, 3444545, 3709510, 4133454, 4451412, 4822363, 5564265, 6889090, 7419020, 8266908, 9644726, 10333635, 11128530, 13778180, 14467089, 19289452, 20667270, 22257060, 24111815, 28934178, 41334540, 48223630, 57868356, 72335445, 96447260, 144670890, 289341780]

約数ペア:

[(1, 289341780), (2, 144670890), (3, 96447260), (4, 72335445), (5, 57868356), (6, 48223630), (7, 41334540), (10, 28934178), (12, 24111815), (13, 22257060), (14, 20667270), (15, 19289452), (20, 14467089), (21, 13778180), (26, 11128530), (28, 10333635), (30, 9644726), (35, 8266908), (39, 7419020), (42, 6889090), (52, 5564265), (60, 4822363), (65, 4451412), (70, 4133454), (78, 3709510), (84, 3444545), (91, 3179580), (105, 2755636), (130, 2225706), (140, 2066727), (156, 1854755), (182, 1589790), (195, 1483804), (197, 1468740), (210, 1377818), (260, 1112853), (269, 1075620), (273, 1059860), (364, 794895), (390, 741902), (394, 734370), (420, 688909), (455, 635916), (538, 537810), (546, 529930), (591, 489580), (780, 370951), (788, 367185), (807, 358540), (910, 317958), (985, 293748), (1076, 268905), (1092, 264965), (1182, 244790), (1345, 215124), (1365, 211972), (1379, 209820), (1614, 179270), (1820, 158979), (1883, 153660), (1970, 146874), (2364, 122395), (2561, 112980), (2690, 107562), (2730, 105986), (2758, 104910), (2955, 97916), (3228, 89635), (3497, 82740), (3766, 76830), (3940, 73437), (4035, 71708), (4137, 69940), (5122, 56490), (5380, 53781), (5460, 52993), (5516, 52455), (5649, 51220), (5910, 48958), (6895, 41964), (6994, 41370), (7532, 38415), (7683, 37660), (8070, 35854), (8274, 34970), (9415, 30732), (10244, 28245), (10491, 27580), (11298, 25610), (11820, 24479), (12805, 22596), (13790, 20982), (13988, 20685), (15366, 18830), (16140, 17927), (16548, 17485)]