400307700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{102643}}^1$

素因数の和:102673

約数の個数: 72

約数和(自身を含む): 1247329888

約数和(自身を除く): 847022188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 102643, 205286, 307929, 410572, 513215, 615858, 1026430, 1231716, 1334359, 1539645, 2052860, 2566075, 2668718, 3079290, 4003077, 5132150, 5337436, 6158580, 6671795, 7698225, 8006154, 10264300, 13343590, 15396450, 16012308, 20015385, 26687180, 30792900, 33358975, 40030770, 66717950, 80061540, 100076925, 133435900, 200153850, 400307700]

約数ペア:

[(1, 400307700), (2, 200153850), (3, 133435900), (4, 100076925), (5, 80061540), (6, 66717950), (10, 40030770), (12, 33358975), (13, 30792900), (15, 26687180), (20, 20015385), (25, 16012308), (26, 15396450), (30, 13343590), (39, 10264300), (50, 8006154), (52, 7698225), (60, 6671795), (65, 6158580), (75, 5337436), (78, 5132150), (100, 4003077), (130, 3079290), (150, 2668718), (156, 2566075), (195, 2052860), (260, 1539645), (300, 1334359), (325, 1231716), (390, 1026430), (650, 615858), (780, 513215), (975, 410572), (1300, 307929), (1950, 205286), (3900, 102643)]