207894100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 463517208

約数和(自身を除く): 255623108

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 173, 197, 244, 305, 346, 394, 610, 692, 788, 865, 985, 1220, 1525, 1730, 1970, 3050, 3460, 3940, 4325, 4925, 6100, 8650, 9850, 10553, 12017, 17300, 19700, 21106, 24034, 34081, 42212, 48068, 52765, 60085, 68162, 105530, 120170, 136324, 170405, 211060, 240340, 263825, 300425, 340810, 527650, 600850, 681620, 852025, 1055300, 1201700, 1704050, 2078941, 3408100, 4157882, 8315764, 10394705, 20789410, 41578820, 51973525, 103947050, 207894100]

約数ペア:

[(1, 207894100), (2, 103947050), (4, 51973525), (5, 41578820), (10, 20789410), (20, 10394705), (25, 8315764), (50, 4157882), (61, 3408100), (100, 2078941), (122, 1704050), (173, 1201700), (197, 1055300), (244, 852025), (305, 681620), (346, 600850), (394, 527650), (610, 340810), (692, 300425), (788, 263825), (865, 240340), (985, 211060), (1220, 170405), (1525, 136324), (1730, 120170), (1970, 105530), (3050, 68162), (3460, 60085), (3940, 52765), (4325, 48068), (4925, 42212), (6100, 34081), (8650, 24034), (9850, 21106), (10553, 19700), (12017, 17300)]