179222780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2451

約数の個数: 72

約数和(自身を含む): 427217280

約数和(自身を除く): 247994500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 121, 124, 155, 220, 242, 310, 341, 484, 605, 620, 682, 1210, 1364, 1705, 2389, 2420, 3410, 3751, 4778, 6820, 7502, 9556, 11945, 15004, 18755, 23890, 26279, 37510, 47780, 52558, 74059, 75020, 105116, 131395, 148118, 262790, 289069, 296236, 370295, 525580, 578138, 740590, 814649, 1156276, 1445345, 1481180, 1629298, 2890690, 3258596, 4073245, 5781380, 8146490, 8961139, 16292980, 17922278, 35844556, 44805695, 89611390, 179222780]

約数ペア:

[(1, 179222780), (2, 89611390), (4, 44805695), (5, 35844556), (10, 17922278), (11, 16292980), (20, 8961139), (22, 8146490), (31, 5781380), (44, 4073245), (55, 3258596), (62, 2890690), (110, 1629298), (121, 1481180), (124, 1445345), (155, 1156276), (220, 814649), (242, 740590), (310, 578138), (341, 525580), (484, 370295), (605, 296236), (620, 289069), (682, 262790), (1210, 148118), (1364, 131395), (1705, 105116), (2389, 75020), (2420, 74059), (3410, 52558), (3751, 47780), (4778, 37510), (6820, 26279), (7502, 23890), (9556, 18755), (11945, 15004)]