158370940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 431149824

約数和(自身を除く): 272778884

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 49, 52, 62, 65, 70, 91, 98, 124, 130, 140, 155, 182, 196, 217, 245, 260, 310, 364, 401, 403, 434, 455, 490, 620, 637, 802, 806, 868, 910, 980, 1085, 1274, 1519, 1604, 1612, 1820, 2005, 2015, 2170, 2548, 2807, 2821, 3038, 3185, 4010, 4030, 4340, 5213, 5614, 5642, 6076, 6370, 7595, 8020, 8060, 10426, 11228, 11284, 12431, 12740, 14035, 14105, 15190, 19649, 19747, 20852, 24862, 26065, 28070, 28210, 30380, 36491, 39298, 39494, 49724, 52130, 56140, 56420, 62155, 72982, 78596, 78988, 87017, 98245, 98735, 104260, 124310, 145964, 161603, 174034, 182455, 196490, 197470, 248620, 255437, 323206, 348068, 364910, 392980, 394940, 435085, 510874, 609119, 646412, 729820, 808015, 870170, 1021748, 1131221, 1218238, 1277185, 1616030, 1740340, 2262442, 2436476, 2554370, 3045595, 3232060, 4524884, 5108740, 5656105, 6091190, 7918547, 11312210, 12182380, 15837094, 22624420, 31674188, 39592735, 79185470, 158370940]

約数ペア:

[(1, 158370940), (2, 79185470), (4, 39592735), (5, 31674188), (7, 22624420), (10, 15837094), (13, 12182380), (14, 11312210), (20, 7918547), (26, 6091190), (28, 5656105), (31, 5108740), (35, 4524884), (49, 3232060), (52, 3045595), (62, 2554370), (65, 2436476), (70, 2262442), (91, 1740340), (98, 1616030), (124, 1277185), (130, 1218238), (140, 1131221), (155, 1021748), (182, 870170), (196, 808015), (217, 729820), (245, 646412), (260, 609119), (310, 510874), (364, 435085), (401, 394940), (403, 392980), (434, 364910), (455, 348068), (490, 323206), (620, 255437), (637, 248620), (802, 197470), (806, 196490), (868, 182455), (910, 174034), (980, 161603), (1085, 145964), (1274, 124310), (1519, 104260), (1604, 98735), (1612, 98245), (1820, 87017), (2005, 78988), (2015, 78596), (2170, 72982), (2548, 62155), (2807, 56420), (2821, 56140), (3038, 52130), (3185, 49724), (4010, 39494), (4030, 39298), (4340, 36491), (5213, 30380), (5614, 28210), (5642, 28070), (6076, 26065), (6370, 24862), (7595, 20852), (8020, 19747), (8060, 19649), (10426, 15190), (11228, 14105), (11284, 14035), (12431, 12740)]