205432950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^2\times {\mathrm{257}}^1$

素因数の和:418

約数の個数: 72

約数和(自身を含む): 518558328

約数和(自身を除く): 313125378

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 257, 365, 438, 514, 730, 771, 1095, 1285, 1542, 1825, 2190, 2570, 3650, 3855, 5329, 5475, 6425, 7710, 10658, 10950, 12850, 15987, 18761, 19275, 26645, 31974, 37522, 38550, 53290, 56283, 79935, 93805, 112566, 133225, 159870, 187610, 266450, 281415, 399675, 469025, 562830, 799350, 938050, 1369553, 1407075, 2739106, 2814150, 4108659, 6847765, 8217318, 13695530, 20543295, 34238825, 41086590, 68477650, 102716475, 205432950]

約数ペア:

[(1, 205432950), (2, 102716475), (3, 68477650), (5, 41086590), (6, 34238825), (10, 20543295), (15, 13695530), (25, 8217318), (30, 6847765), (50, 4108659), (73, 2814150), (75, 2739106), (146, 1407075), (150, 1369553), (219, 938050), (257, 799350), (365, 562830), (438, 469025), (514, 399675), (730, 281415), (771, 266450), (1095, 187610), (1285, 159870), (1542, 133225), (1825, 112566), (2190, 93805), (2570, 79935), (3650, 56283), (3855, 53290), (5329, 38550), (5475, 37522), (6425, 31974), (7710, 26645), (10658, 19275), (10950, 18761), (12850, 15987)]