209947140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3323}}^1$

素因数の和:3360

約数の個数: 144

約数和(自身を含む): 711442368

約数和(自身を除く): 501495228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1053, 1170, 1215, 1404, 1620, 1755, 2106, 2340, 2430, 3159, 3323, 3510, 4212, 4860, 5265, 6318, 6646, 7020, 9969, 10530, 12636, 13292, 15795, 16615, 19938, 21060, 29907, 31590, 33230, 39876, 43199, 49845, 59814, 63180, 66460, 86398, 89721, 99690, 119628, 129597, 149535, 172796, 179442, 199380, 215995, 259194, 269163, 299070, 358884, 388791, 431990, 448605, 518388, 538326, 598140, 647985, 777582, 807489, 863980, 897210, 1076652, 1166373, 1295970, 1345815, 1555164, 1614978, 1794420, 1943955, 2332746, 2591940, 2691630, 3229956, 3499119, 3887910, 4037445, 4665492, 5383260, 5831865, 6998238, 7775820, 8074890, 10497357, 11663730, 13996476, 16149780, 17495595, 20994714, 23327460, 34991190, 41989428, 52486785, 69982380, 104973570, 209947140]

約数ペア:

[(1, 209947140), (2, 104973570), (3, 69982380), (4, 52486785), (5, 41989428), (6, 34991190), (9, 23327460), (10, 20994714), (12, 17495595), (13, 16149780), (15, 13996476), (18, 11663730), (20, 10497357), (26, 8074890), (27, 7775820), (30, 6998238), (36, 5831865), (39, 5383260), (45, 4665492), (52, 4037445), (54, 3887910), (60, 3499119), (65, 3229956), (78, 2691630), (81, 2591940), (90, 2332746), (108, 1943955), (117, 1794420), (130, 1614978), (135, 1555164), (156, 1345815), (162, 1295970), (180, 1166373), (195, 1076652), (234, 897210), (243, 863980), (260, 807489), (270, 777582), (324, 647985), (351, 598140), (390, 538326), (405, 518388), (468, 448605), (486, 431990), (540, 388791), (585, 358884), (702, 299070), (780, 269163), (810, 259194), (972, 215995), (1053, 199380), (1170, 179442), (1215, 172796), (1404, 149535), (1620, 129597), (1755, 119628), (2106, 99690), (2340, 89721), (2430, 86398), (3159, 66460), (3323, 63180), (3510, 59814), (4212, 49845), (4860, 43199), (5265, 39876), (6318, 33230), (6646, 31590), (7020, 29907), (9969, 21060), (10530, 19938), (12636, 16615), (13292, 15795)]