213323710

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 417830400

約数和(自身を除く): 204506690

約数列:

[1, 2, 5, 10, 29, 31, 58, 61, 62, 122, 145, 155, 290, 305, 310, 389, 610, 778, 899, 1769, 1798, 1891, 1945, 3538, 3782, 3890, 4495, 8845, 8990, 9455, 11281, 12059, 17690, 18910, 22562, 23729, 24118, 47458, 54839, 56405, 60295, 109678, 112810, 118645, 120590, 237290, 274195, 349711, 548390, 688141, 699422, 735599, 1376282, 1471198, 1748555, 3440705, 3497110, 3677995, 6881410, 7355990, 21332371, 42664742, 106661855, 213323710]

約数ペア:

[(1, 213323710), (2, 106661855), (5, 42664742), (10, 21332371), (29, 7355990), (31, 6881410), (58, 3677995), (61, 3497110), (62, 3440705), (122, 1748555), (145, 1471198), (155, 1376282), (290, 735599), (305, 699422), (310, 688141), (389, 548390), (610, 349711), (778, 274195), (899, 237290), (1769, 120590), (1798, 118645), (1891, 112810), (1945, 109678), (3538, 60295), (3782, 56405), (3890, 54839), (4495, 47458), (8845, 24118), (8990, 23729), (9455, 22562), (11281, 18910), (12059, 17690)]