261929850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:685

約数の個数: 192

約数和(自身を含む): 826613760

約数和(自身を除く): 564683910

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 25, 26, 30, 31, 35, 39, 42, 50, 62, 65, 70, 75, 78, 91, 93, 105, 130, 150, 155, 175, 182, 186, 195, 210, 217, 273, 310, 325, 350, 390, 403, 434, 455, 465, 525, 546, 619, 650, 651, 775, 806, 910, 930, 975, 1050, 1085, 1209, 1238, 1302, 1365, 1550, 1857, 1950, 2015, 2170, 2275, 2325, 2418, 2730, 2821, 3095, 3255, 3714, 4030, 4333, 4550, 4650, 5425, 5642, 6045, 6190, 6510, 6825, 8047, 8463, 8666, 9285, 10075, 10850, 12090, 12999, 13650, 14105, 15475, 16094, 16275, 16926, 18570, 19189, 20150, 21665, 24141, 25998, 28210, 30225, 30950, 32550, 38378, 40235, 42315, 43330, 46425, 48282, 56329, 57567, 60450, 64995, 70525, 80470, 84630, 92850, 95945, 108325, 112658, 115134, 120705, 129990, 134323, 141050, 168987, 191890, 201175, 211575, 216650, 241410, 249457, 268646, 281645, 287835, 324975, 337974, 402350, 402969, 423150, 479725, 498914, 563290, 575670, 603525, 649950, 671615, 748371, 805938, 844935, 959450, 1207050, 1247285, 1343230, 1408225, 1439175, 1496742, 1689870, 1746199, 2014845, 2494570, 2816450, 2878350, 3358075, 3492398, 3741855, 4029690, 4224675, 5238597, 6236425, 6716150, 7483710, 8449350, 8730995, 10074225, 10477194, 12472850, 17461990, 18709275, 20148450, 26192985, 37418550, 43654975, 52385970, 87309950, 130964925, 261929850]

約数ペア:

[(1, 261929850), (2, 130964925), (3, 87309950), (5, 52385970), (6, 43654975), (7, 37418550), (10, 26192985), (13, 20148450), (14, 18709275), (15, 17461990), (21, 12472850), (25, 10477194), (26, 10074225), (30, 8730995), (31, 8449350), (35, 7483710), (39, 6716150), (42, 6236425), (50, 5238597), (62, 4224675), (65, 4029690), (70, 3741855), (75, 3492398), (78, 3358075), (91, 2878350), (93, 2816450), (105, 2494570), (130, 2014845), (150, 1746199), (155, 1689870), (175, 1496742), (182, 1439175), (186, 1408225), (195, 1343230), (210, 1247285), (217, 1207050), (273, 959450), (310, 844935), (325, 805938), (350, 748371), (390, 671615), (403, 649950), (434, 603525), (455, 575670), (465, 563290), (525, 498914), (546, 479725), (619, 423150), (650, 402969), (651, 402350), (775, 337974), (806, 324975), (910, 287835), (930, 281645), (975, 268646), (1050, 249457), (1085, 241410), (1209, 216650), (1238, 211575), (1302, 201175), (1365, 191890), (1550, 168987), (1857, 141050), (1950, 134323), (2015, 129990), (2170, 120705), (2275, 115134), (2325, 112658), (2418, 108325), (2730, 95945), (2821, 92850), (3095, 84630), (3255, 80470), (3714, 70525), (4030, 64995), (4333, 60450), (4550, 57567), (4650, 56329), (5425, 48282), (5642, 46425), (6045, 43330), (6190, 42315), (6510, 40235), (6825, 38378), (8047, 32550), (8463, 30950), (8666, 30225), (9285, 28210), (10075, 25998), (10850, 24141), (12090, 21665), (12999, 20150), (13650, 19189), (14105, 18570), (15475, 16926), (16094, 16275)]