22372900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^2$

素因数の和:122

約数の個数: 81

約数和(自身を含む): 54633873

約数和(自身を除く): 32260973

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 121, 172, 215, 220, 242, 275, 430, 473, 484, 550, 605, 860, 946, 1075, 1100, 1210, 1849, 1892, 2150, 2365, 2420, 3025, 3698, 4300, 4730, 5203, 6050, 7396, 9245, 9460, 10406, 11825, 12100, 18490, 20339, 20812, 23650, 26015, 36980, 40678, 46225, 47300, 52030, 81356, 92450, 101695, 104060, 130075, 184900, 203390, 223729, 260150, 406780, 447458, 508475, 520300, 894916, 1016950, 1118645, 2033900, 2237290, 4474580, 5593225, 11186450, 22372900]

約数ペア:

[(1, 22372900), (2, 11186450), (4, 5593225), (5, 4474580), (10, 2237290), (11, 2033900), (20, 1118645), (22, 1016950), (25, 894916), (43, 520300), (44, 508475), (50, 447458), (55, 406780), (86, 260150), (100, 223729), (110, 203390), (121, 184900), (172, 130075), (215, 104060), (220, 101695), (242, 92450), (275, 81356), (430, 52030), (473, 47300), (484, 46225), (550, 40678), (605, 36980), (860, 26015), (946, 23650), (1075, 20812), (1100, 20339), (1210, 18490), (1849, 12100), (1892, 11825), (2150, 10406), (2365, 9460), (2420, 9245), (3025, 7396), (3698, 6050), (4300, 5203)]