20199256210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:752

約数の個数: 128

約数和(自身を含む): 43568824320

約数和(自身を除く): 23369568110

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 139, 155, 167, 217, 278, 310, 334, 401, 434, 695, 802, 835, 973, 1085, 1169, 1390, 1670, 1946, 2005, 2170, 2338, 2807, 4010, 4309, 4865, 5177, 5614, 5845, 8618, 9730, 10354, 11690, 12431, 14035, 21545, 23213, 24862, 25885, 28070, 30163, 36239, 43090, 46426, 51770, 55739, 60326, 62155, 66967, 72478, 87017, 111478, 116065, 124310, 133934, 150815, 162491, 174034, 181195, 232130, 278695, 301630, 324982, 334835, 362390, 390173, 435085, 468769, 557390, 669670, 719603, 780346, 812455, 870170, 937538, 1439206, 1624910, 1727909, 1950865, 2075977, 2343845, 3455818, 3598015, 3901730, 4151954, 4687690, 5037221, 7196030, 8639545, 9308413, 10074442, 10379885, 12095363, 14531839, 17279090, 18616826, 20759770, 24190726, 25186105, 29063678, 46542065, 50372210, 60476815, 65158891, 72659195, 93084130, 120953630, 130317782, 145318390, 288560803, 325794455, 577121606, 651588910, 1442804015, 2019925621, 2885608030, 4039851242, 10099628105, 20199256210]

約数ペア:

[(1, 20199256210), (2, 10099628105), (5, 4039851242), (7, 2885608030), (10, 2019925621), (14, 1442804015), (31, 651588910), (35, 577121606), (62, 325794455), (70, 288560803), (139, 145318390), (155, 130317782), (167, 120953630), (217, 93084130), (278, 72659195), (310, 65158891), (334, 60476815), (401, 50372210), (434, 46542065), (695, 29063678), (802, 25186105), (835, 24190726), (973, 20759770), (1085, 18616826), (1169, 17279090), (1390, 14531839), (1670, 12095363), (1946, 10379885), (2005, 10074442), (2170, 9308413), (2338, 8639545), (2807, 7196030), (4010, 5037221), (4309, 4687690), (4865, 4151954), (5177, 3901730), (5614, 3598015), (5845, 3455818), (8618, 2343845), (9730, 2075977), (10354, 1950865), (11690, 1727909), (12431, 1624910), (14035, 1439206), (21545, 937538), (23213, 870170), (24862, 812455), (25885, 780346), (28070, 719603), (30163, 669670), (36239, 557390), (43090, 468769), (46426, 435085), (51770, 390173), (55739, 362390), (60326, 334835), (62155, 324982), (66967, 301630), (72478, 278695), (87017, 232130), (111478, 181195), (116065, 174034), (124310, 162491), (133934, 150815)]