191912940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 607466496

約数和(自身を除く): 415553556

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 163, 180, 186, 211, 279, 310, 326, 372, 422, 465, 489, 558, 620, 633, 652, 815, 844, 930, 978, 1055, 1116, 1266, 1395, 1467, 1630, 1860, 1899, 1956, 2110, 2445, 2532, 2790, 2934, 3165, 3260, 3798, 4220, 4890, 5053, 5580, 5868, 6330, 6541, 7335, 7596, 9495, 9780, 10106, 12660, 13082, 14670, 15159, 18990, 19623, 20212, 25265, 26164, 29340, 30318, 32705, 34393, 37980, 39246, 45477, 50530, 58869, 60636, 65410, 68786, 75795, 78492, 90954, 98115, 101060, 103179, 117738, 130820, 137572, 151590, 171965, 181908, 196230, 206358, 227385, 235476, 294345, 303180, 309537, 343930, 392460, 412716, 454770, 515895, 588690, 619074, 687860, 909540, 1031790, 1066183, 1177380, 1238148, 1547685, 2063580, 2132366, 3095370, 3198549, 4264732, 5330915, 6190740, 6397098, 9595647, 10661830, 12794196, 15992745, 19191294, 21323660, 31985490, 38382588, 47978235, 63970980, 95956470, 191912940]

約数ペア:

[(1, 191912940), (2, 95956470), (3, 63970980), (4, 47978235), (5, 38382588), (6, 31985490), (9, 21323660), (10, 19191294), (12, 15992745), (15, 12794196), (18, 10661830), (20, 9595647), (30, 6397098), (31, 6190740), (36, 5330915), (45, 4264732), (60, 3198549), (62, 3095370), (90, 2132366), (93, 2063580), (124, 1547685), (155, 1238148), (163, 1177380), (180, 1066183), (186, 1031790), (211, 909540), (279, 687860), (310, 619074), (326, 588690), (372, 515895), (422, 454770), (465, 412716), (489, 392460), (558, 343930), (620, 309537), (633, 303180), (652, 294345), (815, 235476), (844, 227385), (930, 206358), (978, 196230), (1055, 181908), (1116, 171965), (1266, 151590), (1395, 137572), (1467, 130820), (1630, 117738), (1860, 103179), (1899, 101060), (1956, 98115), (2110, 90954), (2445, 78492), (2532, 75795), (2790, 68786), (2934, 65410), (3165, 60636), (3260, 58869), (3798, 50530), (4220, 45477), (4890, 39246), (5053, 37980), (5580, 34393), (5868, 32705), (6330, 30318), (6541, 29340), (7335, 26164), (7596, 25265), (9495, 20212), (9780, 19623), (10106, 18990), (12660, 15159), (13082, 14670)]