128401900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1033}}^1$

素因数の和:1171

約数の個数: 72

約数和(自身を含む): 306949104

約数和(自身を除く): 178547204

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 113, 220, 226, 275, 452, 550, 565, 1033, 1100, 1130, 1243, 2066, 2260, 2486, 2825, 4132, 4972, 5165, 5650, 6215, 10330, 11300, 11363, 12430, 20660, 22726, 24860, 25825, 31075, 45452, 51650, 56815, 62150, 103300, 113630, 116729, 124300, 227260, 233458, 284075, 466916, 568150, 583645, 1136300, 1167290, 1284019, 2334580, 2568038, 2918225, 5136076, 5836450, 6420095, 11672900, 12840190, 25680380, 32100475, 64200950, 128401900]

約数ペア:

[(1, 128401900), (2, 64200950), (4, 32100475), (5, 25680380), (10, 12840190), (11, 11672900), (20, 6420095), (22, 5836450), (25, 5136076), (44, 2918225), (50, 2568038), (55, 2334580), (100, 1284019), (110, 1167290), (113, 1136300), (220, 583645), (226, 568150), (275, 466916), (452, 284075), (550, 233458), (565, 227260), (1033, 124300), (1100, 116729), (1130, 113630), (1243, 103300), (2066, 62150), (2260, 56815), (2486, 51650), (2825, 45452), (4132, 31075), (4972, 25825), (5165, 24860), (5650, 22726), (6215, 20660), (10330, 12430), (11300, 11363)]