198134020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:761

約数の個数: 96

約数和(自身を含む): 498548736

約数和(自身を除く): 300414716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 71, 124, 140, 142, 155, 217, 284, 310, 355, 434, 497, 620, 643, 710, 868, 994, 1085, 1286, 1420, 1988, 2170, 2201, 2485, 2572, 3215, 4340, 4402, 4501, 4970, 6430, 8804, 9002, 9940, 11005, 12860, 15407, 18004, 19933, 22010, 22505, 30814, 39866, 44020, 45010, 45653, 61628, 77035, 79732, 90020, 91306, 99665, 139531, 154070, 182612, 199330, 228265, 279062, 308140, 319571, 398660, 456530, 558124, 639142, 697655, 913060, 1278284, 1395310, 1415243, 1597855, 2790620, 2830486, 3195710, 5660972, 6391420, 7076215, 9906701, 14152430, 19813402, 28304860, 39626804, 49533505, 99067010, 198134020]

約数ペア:

[(1, 198134020), (2, 99067010), (4, 49533505), (5, 39626804), (7, 28304860), (10, 19813402), (14, 14152430), (20, 9906701), (28, 7076215), (31, 6391420), (35, 5660972), (62, 3195710), (70, 2830486), (71, 2790620), (124, 1597855), (140, 1415243), (142, 1395310), (155, 1278284), (217, 913060), (284, 697655), (310, 639142), (355, 558124), (434, 456530), (497, 398660), (620, 319571), (643, 308140), (710, 279062), (868, 228265), (994, 199330), (1085, 182612), (1286, 154070), (1420, 139531), (1988, 99665), (2170, 91306), (2201, 90020), (2485, 79732), (2572, 77035), (3215, 61628), (4340, 45653), (4402, 45010), (4501, 44020), (4970, 39866), (6430, 30814), (8804, 22505), (9002, 22010), (9940, 19933), (11005, 18004), (12860, 15407)]