4007290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 64

約数和(自身を含む): 9123840

約数和(自身を除く): 5116550

約数列:

[1, 2, 5, 7, 10, 14, 19, 23, 35, 38, 46, 70, 95, 115, 131, 133, 161, 190, 230, 262, 266, 322, 437, 655, 665, 805, 874, 917, 1310, 1330, 1610, 1834, 2185, 2489, 3013, 3059, 4370, 4585, 4978, 6026, 6118, 9170, 12445, 15065, 15295, 17423, 21091, 24890, 30130, 30590, 34846, 42182, 57247, 87115, 105455, 114494, 174230, 210910, 286235, 400729, 572470, 801458, 2003645, 4007290]

約数ペア:

[(1, 4007290), (2, 2003645), (5, 801458), (7, 572470), (10, 400729), (14, 286235), (19, 210910), (23, 174230), (35, 114494), (38, 105455), (46, 87115), (70, 57247), (95, 42182), (115, 34846), (131, 30590), (133, 30130), (161, 24890), (190, 21091), (230, 17423), (262, 15295), (266, 15065), (322, 12445), (437, 9170), (655, 6118), (665, 6026), (805, 4978), (874, 4585), (917, 4370), (1310, 3059), (1330, 3013), (1610, 2489), (1834, 2185)]