155777860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3877}}^1$

素因数の和:3941

約数の個数: 72

約数和(自身を含む): 389925144

約数和(自身を除く): 234147284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 49, 70, 82, 98, 140, 164, 196, 205, 245, 287, 410, 490, 574, 820, 980, 1148, 1435, 2009, 2870, 3877, 4018, 5740, 7754, 8036, 10045, 15508, 19385, 20090, 27139, 38770, 40180, 54278, 77540, 108556, 135695, 158957, 189973, 271390, 317914, 379946, 542780, 635828, 759892, 794785, 949865, 1112699, 1589570, 1899730, 2225398, 3179140, 3799460, 4450796, 5563495, 7788893, 11126990, 15577786, 22253980, 31155572, 38944465, 77888930, 155777860]

約数ペア:

[(1, 155777860), (2, 77888930), (4, 38944465), (5, 31155572), (7, 22253980), (10, 15577786), (14, 11126990), (20, 7788893), (28, 5563495), (35, 4450796), (41, 3799460), (49, 3179140), (70, 2225398), (82, 1899730), (98, 1589570), (140, 1112699), (164, 949865), (196, 794785), (205, 759892), (245, 635828), (287, 542780), (410, 379946), (490, 317914), (574, 271390), (820, 189973), (980, 158957), (1148, 135695), (1435, 108556), (2009, 77540), (2870, 54278), (3877, 40180), (4018, 38770), (5740, 27139), (7754, 20090), (8036, 19385), (10045, 15508)]