201489970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{761}}^1$

素因数の和:891

約数の個数: 64

約数和(自身を含む): 414771840

約数和(自身を除く): 213281870

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 83, 110, 145, 166, 290, 319, 415, 638, 761, 830, 913, 1522, 1595, 1826, 2407, 3190, 3805, 4565, 4814, 7610, 8371, 9130, 12035, 16742, 22069, 24070, 26477, 41855, 44138, 52954, 63163, 83710, 110345, 126326, 132385, 220690, 242759, 264770, 315815, 485518, 631630, 694793, 1213795, 1389586, 1831727, 2427590, 3473965, 3663454, 6947930, 9158635, 18317270, 20148997, 40297994, 100744985, 201489970]

約数ペア:

[(1, 201489970), (2, 100744985), (5, 40297994), (10, 20148997), (11, 18317270), (22, 9158635), (29, 6947930), (55, 3663454), (58, 3473965), (83, 2427590), (110, 1831727), (145, 1389586), (166, 1213795), (290, 694793), (319, 631630), (415, 485518), (638, 315815), (761, 264770), (830, 242759), (913, 220690), (1522, 132385), (1595, 126326), (1826, 110345), (2407, 83710), (3190, 63163), (3805, 52954), (4565, 44138), (4814, 41855), (7610, 26477), (8371, 24070), (9130, 22069), (12035, 16742)]