399236075

素因数分解:

$5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1009}}^1$

素因数の和:1069

約数の個数: 72

約数和(自身を含む): 642481200

約数和(自身を除く): 243245125

約数列:

[1, 5, 7, 17, 19, 25, 35, 49, 85, 95, 119, 133, 175, 245, 323, 425, 475, 595, 665, 833, 931, 1009, 1225, 1615, 2261, 2975, 3325, 4165, 4655, 5045, 7063, 8075, 11305, 15827, 17153, 19171, 20825, 23275, 25225, 35315, 49441, 56525, 79135, 85765, 95855, 120071, 134197, 176575, 247205, 325907, 395675, 428825, 479275, 600355, 670985, 840497, 939379, 1236025, 1629535, 2281349, 3001775, 3354925, 4202485, 4696895, 8147675, 11406745, 15969443, 21012425, 23484475, 57033725, 79847215, 399236075]

約数ペア:

[(1, 399236075), (5, 79847215), (7, 57033725), (17, 23484475), (19, 21012425), (25, 15969443), (35, 11406745), (49, 8147675), (85, 4696895), (95, 4202485), (119, 3354925), (133, 3001775), (175, 2281349), (245, 1629535), (323, 1236025), (425, 939379), (475, 840497), (595, 670985), (665, 600355), (833, 479275), (931, 428825), (1009, 395675), (1225, 325907), (1615, 247205), (2261, 176575), (2975, 134197), (3325, 120071), (4165, 95855), (4655, 85765), (5045, 79135), (7063, 56525), (8075, 49441), (11305, 35315), (15827, 25225), (17153, 23275), (19171, 20825)]