1998150880

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{691}}^1$

素因数の和:801

約数の個数: 192

約数和(自身を含む): 5424039936

約数和(自身を除く): 3425889056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 53, 55, 62, 80, 88, 106, 110, 124, 155, 160, 176, 212, 220, 248, 265, 310, 341, 352, 424, 440, 496, 530, 583, 620, 682, 691, 848, 880, 992, 1060, 1166, 1240, 1364, 1382, 1643, 1696, 1705, 1760, 2120, 2332, 2480, 2728, 2764, 2915, 3286, 3410, 3455, 4240, 4664, 4960, 5456, 5528, 5830, 6572, 6820, 6910, 7601, 8215, 8480, 9328, 10912, 11056, 11660, 13144, 13640, 13820, 15202, 16430, 18073, 18656, 21421, 22112, 23320, 26288, 27280, 27640, 30404, 32860, 36146, 36623, 38005, 42842, 46640, 52576, 54560, 55280, 60808, 65720, 72292, 73246, 76010, 85684, 90365, 93280, 107105, 110560, 121616, 131440, 144584, 146492, 152020, 171368, 180730, 183115, 214210, 235631, 243232, 262880, 289168, 292984, 304040, 342736, 361460, 366230, 402853, 428420, 471262, 578336, 585968, 608080, 685472, 722920, 732460, 805706, 856840, 942524, 1135313, 1171936, 1178155, 1216160, 1445840, 1464920, 1611412, 1713680, 1885048, 2014265, 2270626, 2356310, 2891680, 2929840, 3222824, 3427360, 3770096, 4028530, 4541252, 4712620, 5676565, 5859680, 6445648, 7540192, 8057060, 9082504, 9425240, 11353130, 12488443, 12891296, 16114120, 18165008, 18850480, 22706260, 24976886, 32228240, 36330016, 37700960, 45412520, 49953772, 62442215, 64456480, 90825040, 99907544, 124884430, 181650080, 199815088, 249768860, 399630176, 499537720, 999075440, 1998150880]

約数ペア:

[(1, 1998150880), (2, 999075440), (4, 499537720), (5, 399630176), (8, 249768860), (10, 199815088), (11, 181650080), (16, 124884430), (20, 99907544), (22, 90825040), (31, 64456480), (32, 62442215), (40, 49953772), (44, 45412520), (53, 37700960), (55, 36330016), (62, 32228240), (80, 24976886), (88, 22706260), (106, 18850480), (110, 18165008), (124, 16114120), (155, 12891296), (160, 12488443), (176, 11353130), (212, 9425240), (220, 9082504), (248, 8057060), (265, 7540192), (310, 6445648), (341, 5859680), (352, 5676565), (424, 4712620), (440, 4541252), (496, 4028530), (530, 3770096), (583, 3427360), (620, 3222824), (682, 2929840), (691, 2891680), (848, 2356310), (880, 2270626), (992, 2014265), (1060, 1885048), (1166, 1713680), (1240, 1611412), (1364, 1464920), (1382, 1445840), (1643, 1216160), (1696, 1178155), (1705, 1171936), (1760, 1135313), (2120, 942524), (2332, 856840), (2480, 805706), (2728, 732460), (2764, 722920), (2915, 685472), (3286, 608080), (3410, 585968), (3455, 578336), (4240, 471262), (4664, 428420), (4960, 402853), (5456, 366230), (5528, 361460), (5830, 342736), (6572, 304040), (6820, 292984), (6910, 289168), (7601, 262880), (8215, 243232), (8480, 235631), (9328, 214210), (10912, 183115), (11056, 180730), (11660, 171368), (13144, 152020), (13640, 146492), (13820, 144584), (15202, 131440), (16430, 121616), (18073, 110560), (18656, 107105), (21421, 93280), (22112, 90365), (23320, 85684), (26288, 76010), (27280, 73246), (27640, 72292), (30404, 65720), (32860, 60808), (36146, 55280), (36623, 54560), (38005, 52576), (42842, 46640)]