212290420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{3121}}^1$

素因数の和:3328

約数の個数: 48

約数和(自身を含む): 472046400

約数和(自身を除く): 259755980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 358, 380, 716, 895, 1790, 3121, 3401, 3580, 6242, 6802, 12484, 13604, 15605, 17005, 31210, 34010, 59299, 62420, 68020, 118598, 237196, 296495, 558659, 592990, 1117318, 1185980, 2234636, 2793295, 5586590, 10614521, 11173180, 21229042, 42458084, 53072605, 106145210, 212290420]

約数ペア:

[(1, 212290420), (2, 106145210), (4, 53072605), (5, 42458084), (10, 21229042), (19, 11173180), (20, 10614521), (38, 5586590), (76, 2793295), (95, 2234636), (179, 1185980), (190, 1117318), (358, 592990), (380, 558659), (716, 296495), (895, 237196), (1790, 118598), (3121, 68020), (3401, 62420), (3580, 59299), (6242, 34010), (6802, 31210), (12484, 17005), (13604, 15605)]