990088960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{110501}}^1$

素因数の和:110529

約数の個数: 72

約数和(自身を含む): 2710393056

約数和(自身を除く): 1720304096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 110501, 221002, 442004, 552505, 773507, 884008, 1105010, 1547014, 1768016, 2210020, 3094028, 3536032, 3867535, 4420040, 6188056, 7072064, 7735070, 8840080, 12376112, 14144128, 15470140, 17680160, 24752224, 28288256, 30940280, 35360320, 49504448, 61880560, 70720640, 99008896, 123761120, 141441280, 198017792, 247522240, 495044480, 990088960]

約数ペア:

[(1, 990088960), (2, 495044480), (4, 247522240), (5, 198017792), (7, 141441280), (8, 123761120), (10, 99008896), (14, 70720640), (16, 61880560), (20, 49504448), (28, 35360320), (32, 30940280), (35, 28288256), (40, 24752224), (56, 17680160), (64, 15470140), (70, 14144128), (80, 12376112), (112, 8840080), (128, 7735070), (140, 7072064), (160, 6188056), (224, 4420040), (256, 3867535), (280, 3536032), (320, 3094028), (448, 2210020), (560, 1768016), (640, 1547014), (896, 1105010), (1120, 884008), (1280, 773507), (1792, 552505), (2240, 442004), (4480, 221002), (8960, 110501)]