409453900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 924315840

約数和(自身を除く): 514861940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 100, 116, 145, 271, 290, 521, 542, 580, 725, 1042, 1084, 1355, 1450, 2084, 2605, 2710, 2900, 5210, 5420, 6775, 7859, 10420, 13025, 13550, 15109, 15718, 26050, 27100, 30218, 31436, 39295, 52100, 60436, 75545, 78590, 141191, 151090, 157180, 196475, 282382, 302180, 377725, 392950, 564764, 705955, 755450, 785900, 1411910, 1510900, 2823820, 3529775, 4094539, 7059550, 8189078, 14119100, 16378156, 20472695, 40945390, 81890780, 102363475, 204726950, 409453900]

約数ペア:

[(1, 409453900), (2, 204726950), (4, 102363475), (5, 81890780), (10, 40945390), (20, 20472695), (25, 16378156), (29, 14119100), (50, 8189078), (58, 7059550), (100, 4094539), (116, 3529775), (145, 2823820), (271, 1510900), (290, 1411910), (521, 785900), (542, 755450), (580, 705955), (725, 564764), (1042, 392950), (1084, 377725), (1355, 302180), (1450, 282382), (2084, 196475), (2605, 157180), (2710, 151090), (2900, 141191), (5210, 78590), (5420, 75545), (6775, 60436), (7859, 52100), (10420, 39295), (13025, 31436), (13550, 30218), (15109, 27100), (15718, 26050)]