177996940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:575

約数の個数: 96

約数和(自身を含む): 434649600

約数和(自身を除く): 256652660

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 97, 110, 190, 194, 209, 220, 380, 388, 418, 439, 485, 836, 878, 970, 1045, 1067, 1756, 1843, 1940, 2090, 2134, 2195, 3686, 4180, 4268, 4390, 4829, 5335, 7372, 8341, 8780, 9215, 9658, 10670, 16682, 18430, 19316, 20273, 21340, 24145, 33364, 36860, 40546, 41705, 42583, 48290, 81092, 83410, 85166, 91751, 96580, 101365, 166820, 170332, 183502, 202730, 212915, 367004, 405460, 425830, 458755, 468413, 809077, 851660, 917510, 936826, 1618154, 1835020, 1873652, 2342065, 3236308, 4045385, 4684130, 8090770, 8899847, 9368260, 16181540, 17799694, 35599388, 44499235, 88998470, 177996940]

約数ペア:

[(1, 177996940), (2, 88998470), (4, 44499235), (5, 35599388), (10, 17799694), (11, 16181540), (19, 9368260), (20, 8899847), (22, 8090770), (38, 4684130), (44, 4045385), (55, 3236308), (76, 2342065), (95, 1873652), (97, 1835020), (110, 1618154), (190, 936826), (194, 917510), (209, 851660), (220, 809077), (380, 468413), (388, 458755), (418, 425830), (439, 405460), (485, 367004), (836, 212915), (878, 202730), (970, 183502), (1045, 170332), (1067, 166820), (1756, 101365), (1843, 96580), (1940, 91751), (2090, 85166), (2134, 83410), (2195, 81092), (3686, 48290), (4180, 42583), (4268, 41705), (4390, 40546), (4829, 36860), (5335, 33364), (7372, 24145), (8341, 21340), (8780, 20273), (9215, 19316), (9658, 18430), (10670, 16682)]