219645225

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:495

約数の個数: 72

約数和(自身を含む): 417830400

約数和(自身を除く): 198185175

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 191, 225, 269, 285, 475, 573, 807, 855, 955, 1345, 1425, 1719, 2421, 2865, 3629, 4035, 4275, 4775, 5111, 6725, 8595, 10887, 12105, 14325, 15333, 18145, 20175, 25555, 32661, 42975, 45999, 51379, 54435, 60525, 76665, 90725, 127775, 154137, 163305, 229995, 256895, 272175, 383325, 462411, 770685, 816525, 976201, 1149975, 1284475, 2312055, 2928603, 3853425, 4881005, 8785809, 11560275, 14643015, 24405025, 43929045, 73215075, 219645225]

約数ペア:

[(1, 219645225), (3, 73215075), (5, 43929045), (9, 24405025), (15, 14643015), (19, 11560275), (25, 8785809), (45, 4881005), (57, 3853425), (75, 2928603), (95, 2312055), (171, 1284475), (191, 1149975), (225, 976201), (269, 816525), (285, 770685), (475, 462411), (573, 383325), (807, 272175), (855, 256895), (955, 229995), (1345, 163305), (1425, 154137), (1719, 127775), (2421, 90725), (2865, 76665), (3629, 60525), (4035, 54435), (4275, 51379), (4775, 45999), (5111, 42975), (6725, 32661), (8595, 25555), (10887, 20175), (12105, 18145), (14325, 15333)]