419942560

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{138139}}^1$

素因数の和:138173

約数の個数: 48

約数和(自身を含む): 1044338400

約数和(自身を除く): 624395840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 138139, 276278, 552556, 690695, 1105112, 1381390, 2210224, 2624641, 2762780, 4420448, 5249282, 5525560, 10498564, 11051120, 13123205, 20997128, 22102240, 26246410, 41994256, 52492820, 83988512, 104985640, 209971280, 419942560]

約数ペア:

[(1, 419942560), (2, 209971280), (4, 104985640), (5, 83988512), (8, 52492820), (10, 41994256), (16, 26246410), (19, 22102240), (20, 20997128), (32, 13123205), (38, 11051120), (40, 10498564), (76, 5525560), (80, 5249282), (95, 4420448), (152, 2762780), (160, 2624641), (190, 2210224), (304, 1381390), (380, 1105112), (608, 690695), (760, 552556), (1520, 276278), (3040, 138139)]