2078667710

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 96

約数和(自身を含む): 4454481600

約数和(自身を除く): 2375813890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 149, 245, 298, 355, 401, 490, 497, 710, 745, 802, 994, 1043, 1490, 2005, 2086, 2485, 2807, 3479, 4010, 4970, 5215, 5614, 6958, 7301, 10430, 10579, 14035, 14602, 17395, 19649, 21158, 28070, 28471, 34790, 36505, 39298, 52895, 56942, 59749, 73010, 74053, 98245, 105790, 119498, 142355, 148106, 196490, 199297, 284710, 298745, 370265, 398594, 418243, 518371, 597490, 740530, 836486, 996485, 1036742, 1395079, 1992970, 2091215, 2591855, 2790158, 2927701, 4182430, 4242179, 5183710, 5855402, 6975395, 8484358, 13950790, 14638505, 21210895, 29277010, 29695253, 42421790, 59390506, 148476265, 207866771, 296952530, 415733542, 1039333855, 2078667710]

約数ペア:

[(1, 2078667710), (2, 1039333855), (5, 415733542), (7, 296952530), (10, 207866771), (14, 148476265), (35, 59390506), (49, 42421790), (70, 29695253), (71, 29277010), (98, 21210895), (142, 14638505), (149, 13950790), (245, 8484358), (298, 6975395), (355, 5855402), (401, 5183710), (490, 4242179), (497, 4182430), (710, 2927701), (745, 2790158), (802, 2591855), (994, 2091215), (1043, 1992970), (1490, 1395079), (2005, 1036742), (2086, 996485), (2485, 836486), (2807, 740530), (3479, 597490), (4010, 518371), (4970, 418243), (5215, 398594), (5614, 370265), (6958, 298745), (7301, 284710), (10430, 199297), (10579, 196490), (14035, 148106), (14602, 142355), (17395, 119498), (19649, 105790), (21158, 98245), (28070, 74053), (28471, 73010), (34790, 59749), (36505, 56942), (39298, 52895)]