400202010

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{853}}^1$

素因数の和:1280

約数の個数: 96

約数和(自身を含む): 1124677008

約数和(自身を除く): 724474998

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 401, 585, 802, 853, 1170, 1203, 1706, 2005, 2406, 2559, 3609, 4010, 4265, 5118, 5213, 6015, 7218, 7677, 8530, 10426, 11089, 12030, 12795, 15354, 15639, 18045, 22178, 25590, 26065, 31278, 33267, 36090, 38385, 46917, 52130, 55445, 66534, 76770, 78195, 93834, 99801, 110890, 156390, 166335, 199602, 234585, 332670, 342053, 469170, 499005, 684106, 998010, 1026159, 1710265, 2052318, 3078477, 3420530, 4446689, 5130795, 6156954, 8893378, 10261590, 13340067, 15392385, 22233445, 26680134, 30784770, 40020201, 44466890, 66700335, 80040402, 133400670, 200101005, 400202010]

約数ペア:

[(1, 400202010), (2, 200101005), (3, 133400670), (5, 80040402), (6, 66700335), (9, 44466890), (10, 40020201), (13, 30784770), (15, 26680134), (18, 22233445), (26, 15392385), (30, 13340067), (39, 10261590), (45, 8893378), (65, 6156954), (78, 5130795), (90, 4446689), (117, 3420530), (130, 3078477), (195, 2052318), (234, 1710265), (390, 1026159), (401, 998010), (585, 684106), (802, 499005), (853, 469170), (1170, 342053), (1203, 332670), (1706, 234585), (2005, 199602), (2406, 166335), (2559, 156390), (3609, 110890), (4010, 99801), (4265, 93834), (5118, 78195), (5213, 76770), (6015, 66534), (7218, 55445), (7677, 52130), (8530, 46917), (10426, 38385), (11089, 36090), (12030, 33267), (12795, 31278), (15354, 26065), (15639, 25590), (18045, 22178)]