389156950

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 930877920

約数和(自身を除く): 541720970

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 31, 35, 50, 62, 65, 70, 89, 91, 130, 155, 175, 178, 182, 217, 310, 325, 350, 403, 434, 445, 455, 623, 650, 775, 806, 890, 910, 961, 1085, 1157, 1246, 1550, 1922, 2015, 2170, 2225, 2275, 2314, 2759, 2821, 3115, 4030, 4450, 4550, 4805, 5425, 5518, 5642, 5785, 6230, 6727, 8099, 9610, 10075, 10850, 11570, 12493, 13454, 13795, 14105, 15575, 16198, 19313, 20150, 24025, 24986, 27590, 28210, 28925, 31150, 33635, 35867, 38626, 40495, 48050, 57850, 62465, 67270, 68975, 70525, 71734, 80990, 85529, 87451, 96565, 124930, 137950, 141050, 168175, 171058, 174902, 179335, 193130, 202475, 251069, 312325, 336350, 358670, 404950, 427645, 437255, 482825, 502138, 598703, 624650, 855290, 874510, 896675, 965650, 1111877, 1197406, 1255345, 1793350, 2138225, 2186275, 2223754, 2510690, 2993515, 4276450, 4372550, 5559385, 5987030, 6276725, 7783139, 11118770, 12553450, 14967575, 15566278, 27796925, 29935150, 38915695, 55593850, 77831390, 194578475, 389156950]

約数ペア:

[(1, 389156950), (2, 194578475), (5, 77831390), (7, 55593850), (10, 38915695), (13, 29935150), (14, 27796925), (25, 15566278), (26, 14967575), (31, 12553450), (35, 11118770), (50, 7783139), (62, 6276725), (65, 5987030), (70, 5559385), (89, 4372550), (91, 4276450), (130, 2993515), (155, 2510690), (175, 2223754), (178, 2186275), (182, 2138225), (217, 1793350), (310, 1255345), (325, 1197406), (350, 1111877), (403, 965650), (434, 896675), (445, 874510), (455, 855290), (623, 624650), (650, 598703), (775, 502138), (806, 482825), (890, 437255), (910, 427645), (961, 404950), (1085, 358670), (1157, 336350), (1246, 312325), (1550, 251069), (1922, 202475), (2015, 193130), (2170, 179335), (2225, 174902), (2275, 171058), (2314, 168175), (2759, 141050), (2821, 137950), (3115, 124930), (4030, 96565), (4450, 87451), (4550, 85529), (4805, 80990), (5425, 71734), (5518, 70525), (5642, 68975), (5785, 67270), (6230, 62465), (6727, 57850), (8099, 48050), (9610, 40495), (10075, 38626), (10850, 35867), (11570, 33635), (12493, 31150), (13454, 28925), (13795, 28210), (14105, 27590), (15575, 24986), (16198, 24025), (19313, 20150)]